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-rw-r--r--tests/ui/parser/assoc/assoc-const-underscore-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/assoc/assoc-static-syntactic-fail.rs6
-rw-r--r--tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs90
-rw-r--r--tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr150
-rw-r--r--tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.rs2
-rw-r--r--tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr4
-rw-r--r--tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.rs2
-rw-r--r--tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.stderr2
-rw-r--r--tests/ui/parser/constraints-before-generic-args-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/default-on-wrong-item-kind.rs8
-rw-r--r--tests/ui/parser/extern-abi-syntactic.rs6
-rw-r--r--tests/ui/parser/extern-crate-async.rs4
-rw-r--r--tests/ui/parser/fn-body-optional-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/fn-header-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/foreign-const-syntactic-fail.rs2
-rw-r--r--tests/ui/parser/foreign-static-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/foreign-ty-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/impl-item-const-pass.rs2
-rw-r--r--tests/ui/parser/impl-item-fn-no-body-pass.rs2
-rw-r--r--tests/ui/parser/impl-item-type-no-body-pass.rs2
-rw-r--r--tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-enum.rs2
-rw-r--r--tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-trait.rs2
-rw-r--r--tests/ui/parser/item-free-const-no-body-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/item-free-static-no-body-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/item-free-type-bounds-syntactic-pass.rs2
-rw-r--r--tests/ui/parser/recover/recover-assoc-const-constraint.rs2
-rw-r--r--tests/ui/parser/recover/recover-assoc-eq-missing-term.rs2
-rw-r--r--tests/ui/parser/recover/recover-assoc-lifetime-constraint.rs2
-rw-r--r--tests/ui/parser/self-param-syntactic-pass.rs10
-rw-r--r--tests/ui/parser/stripped-nested-outline-mod-pass.rs2
-rw-r--r--tests/ui/parser/trait-item-with-defaultness-pass.rs2
-rw-r--r--tests/ui/parser/variadic-ffi-syntactic-pass.rs22
32 files changed, 173 insertions, 173 deletions
diff --git a/tests/ui/parser/assoc/assoc-const-underscore-syntactic-pass.rs b/tests/ui/parser/assoc/assoc-const-underscore-syntactic-pass.rs
index 6c045379191..63c567b2d03 100644
--- a/tests/ui/parser/assoc/assoc-const-underscore-syntactic-pass.rs
+++ b/tests/ui/parser/assoc/assoc-const-underscore-syntactic-pass.rs
@@ -4,7 +4,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 const _: () = {
     pub trait A {
         const _: () = ();
diff --git a/tests/ui/parser/assoc/assoc-static-syntactic-fail.rs b/tests/ui/parser/assoc/assoc-static-syntactic-fail.rs
index 492f2ea16ef..e875d733bd6 100644
--- a/tests/ui/parser/assoc/assoc-static-syntactic-fail.rs
+++ b/tests/ui/parser/assoc/assoc-static-syntactic-fail.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl S {
     static IA: u8 = 0; //~ ERROR associated `static` items are not allowed
     static IB: u8; //~ ERROR associated `static` items are not allowed
@@ -12,7 +12,7 @@ impl S {
     //~^ ERROR a static item cannot be `default`
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 trait T {
     static TA: u8 = 0; //~ ERROR associated `static` items are not allowed
     static TB: u8; //~ ERROR associated `static` items are not allowed
@@ -22,7 +22,7 @@ trait T {
     //~^ ERROR a static item cannot be `default`
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl T for S {
     static TA: u8 = 0; //~ ERROR associated `static` items are not allowed
     static TB: u8; //~ ERROR associated `static` items are not allowed
diff --git a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs
index 26761a1d254..1380974538a 100644
--- a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs
+++ b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs
@@ -1,108 +1,108 @@
 fn main() {}
 
-#[cfg(FALSE)] fn e() { let _ = [#[attr]]; }
+#[cfg(false)] fn e() { let _ = [#[attr]]; }
 //~^ ERROR expected expression, found `]`
-#[cfg(FALSE)] fn e() { let _ = foo#[attr](); }
+#[cfg(false)] fn e() { let _ = foo#[attr](); }
 //~^ ERROR expected one of
-#[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
+#[cfg(false)] fn e() { let _ = foo(#![attr]); }
 //~^ ERROR an inner attribute is not permitted in this context
 //~| ERROR an inner attribute is not permitted in this context
 //~| ERROR expected expression, found `)`
-#[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
+#[cfg(false)] fn e() { let _ = x.foo(#![attr]); }
 //~^ ERROR an inner attribute is not permitted in this context
 //~| ERROR expected expression, found `)`
-#[cfg(FALSE)] fn e() { let _ = 0 + #![attr] 0; }
+#[cfg(false)] fn e() { let _ = 0 + #![attr] 0; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = !#![attr] 0; }
+#[cfg(false)] fn e() { let _ = !#![attr] 0; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = -#![attr] 0; }
+#[cfg(false)] fn e() { let _ = -#![attr] 0; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = x #![attr] as Y; }
+#[cfg(false)] fn e() { let _ = x #![attr] as Y; }
 //~^ ERROR expected one of
-#[cfg(FALSE)] fn e() { let _ = || #![attr] foo; }
+#[cfg(false)] fn e() { let _ = || #![attr] foo; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = move || #![attr] foo; }
+#[cfg(false)] fn e() { let _ = move || #![attr] foo; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = || #![attr] {foo}; }
+#[cfg(false)] fn e() { let _ = || #![attr] {foo}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; }
+#[cfg(false)] fn e() { let _ = move || #![attr] {foo}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = #[attr] ..#[attr] 0; }
+#[cfg(false)] fn e() { let _ = #[attr] ..#[attr] 0; }
 //~^ ERROR attributes are not allowed on range expressions starting with `..`
-#[cfg(FALSE)] fn e() { let _ = #[attr] ..; }
+#[cfg(false)] fn e() { let _ = #[attr] ..; }
 //~^ ERROR attributes are not allowed on range expressions starting with `..`
-#[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; }
+#[cfg(false)] fn e() { let _ = #[attr] &#![attr] 0; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; }
+#[cfg(false)] fn e() { let _ = #[attr] &mut #![attr] 0; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if 0 #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if 0 #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if 0 {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if 0 {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if 0 {} #[attr] else {}; }
+#[cfg(false)] fn e() { let _ = if 0 {} #[attr] else {}; }
 //~^ ERROR expected one of
-#[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if 0 {} else #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if 0 {} else {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if 0 {} else {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
+#[cfg(false)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} #[attr] else {}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} #[attr] else {}; }
 //~^ ERROR expected one of
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
 //~^ ERROR outer attributes are not allowed on `if`
-#[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}; }
+#[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}; }
 //~^ ERROR an inner attribute is not permitted in this context
 
-#[cfg(FALSE)] fn s() { #[attr] #![attr] let _ = 0; }
+#[cfg(false)] fn s() { #[attr] #![attr] let _ = 0; }
 //~^ ERROR an inner attribute is not permitted following an outer attribute
-#[cfg(FALSE)] fn s() { #[attr] #![attr] 0; }
+#[cfg(false)] fn s() { #[attr] #![attr] 0; }
 //~^ ERROR an inner attribute is not permitted following an outer attribute
-#[cfg(FALSE)] fn s() { #[attr] #![attr] foo!(); }
+#[cfg(false)] fn s() { #[attr] #![attr] foo!(); }
 //~^ ERROR an inner attribute is not permitted following an outer attribute
-#[cfg(FALSE)] fn s() { #[attr] #![attr] foo![]; }
+#[cfg(false)] fn s() { #[attr] #![attr] foo![]; }
 //~^ ERROR an inner attribute is not permitted following an outer attribute
-#[cfg(FALSE)] fn s() { #[attr] #![attr] foo!{}; }
+#[cfg(false)] fn s() { #[attr] #![attr] foo!{}; }
 //~^ ERROR an inner attribute is not permitted following an outer attribute
 
 // FIXME: Allow attributes in pattern constexprs?
 // note: requires parens in patterns to allow disambiguation
 
-#[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
+#[cfg(false)] fn e() { match 0 { 0..=#[attr] 10 => () } }
 //~^ ERROR inclusive range with no end
 //~| ERROR expected one of `=>`, `if`, or `|`, found `#`
-#[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
+#[cfg(false)] fn e() { match 0 { 0..=#[attr] -10 => () } }
 //~^ ERROR inclusive range with no end
 //~| ERROR expected one of `=>`, `if`, or `|`, found `#`
-#[cfg(FALSE)] fn e() { match 0 { 0..=-#[attr] 10 => () } }
+#[cfg(false)] fn e() { match 0 { 0..=-#[attr] 10 => () } }
 //~^ ERROR unexpected token: `#`
-#[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
+#[cfg(false)] fn e() { match 0 { 0..=#[attr] FOO => () } }
 //~^ ERROR inclusive range with no end
 //~| ERROR expected one of `=>`, `if`, or `|`, found `#`
 
-#[cfg(FALSE)] fn e() { let _ = x.#![attr]foo(); }
+#[cfg(false)] fn e() { let _ = x.#![attr]foo(); }
 //~^ ERROR unexpected token: `#`
 //~| ERROR expected one of `.`
-#[cfg(FALSE)] fn e() { let _ = x.#[attr]foo(); }
+#[cfg(false)] fn e() { let _ = x.#[attr]foo(); }
 //~^ ERROR unexpected token: `#`
 //~| ERROR expected one of `.`
 
 // make sure we don't catch this bug again...
-#[cfg(FALSE)] fn e() { { fn foo() { #[attr]; } } }
+#[cfg(false)] fn e() { { fn foo() { #[attr]; } } }
 //~^ ERROR expected statement after outer attribute
-#[cfg(FALSE)] fn e() { { fn foo() { #[attr] } } }
+#[cfg(false)] fn e() { { fn foo() { #[attr] } } }
 //~^ ERROR expected statement after outer attribute
diff --git a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr
index bd860841b80..5d94a8dcbdb 100644
--- a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr
+++ b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr
@@ -1,19 +1,19 @@
 error: expected expression, found `]`
   --> $DIR/attr-stmt-expr-attr-bad.rs:3:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = [#[attr]]; }
+LL | #[cfg(false)] fn e() { let _ = [#[attr]]; }
    |                                        ^ expected expression
 
 error: expected one of `!`, `.`, `::`, `;`, `?`, `else`, `{`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:5:35
    |
-LL | #[cfg(FALSE)] fn e() { let _ = foo#[attr](); }
+LL | #[cfg(false)] fn e() { let _ = foo#[attr](); }
    |                                   ^ expected one of 8 possible tokens
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:7:36
    |
-LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
+LL | #[cfg(false)] fn e() { let _ = foo(#![attr]); }
    |                                    ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -22,7 +22,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:7:36
    |
-LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
+LL | #[cfg(false)] fn e() { let _ = foo(#![attr]); }
    |                                    ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -32,13 +32,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
 error: expected expression, found `)`
   --> $DIR/attr-stmt-expr-attr-bad.rs:7:44
    |
-LL | #[cfg(FALSE)] fn e() { let _ = foo(#![attr]); }
+LL | #[cfg(false)] fn e() { let _ = foo(#![attr]); }
    |                                            ^ expected expression
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:11:38
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
+LL | #[cfg(false)] fn e() { let _ = x.foo(#![attr]); }
    |                                      ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -47,13 +47,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
 error: expected expression, found `)`
   --> $DIR/attr-stmt-expr-attr-bad.rs:11:46
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.foo(#![attr]); }
+LL | #[cfg(false)] fn e() { let _ = x.foo(#![attr]); }
    |                                              ^ expected expression
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:14:36
    |
-LL | #[cfg(FALSE)] fn e() { let _ = 0 + #![attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = 0 + #![attr] 0; }
    |                                    ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -62,7 +62,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = 0 + #![attr] 0; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:16:33
    |
-LL | #[cfg(FALSE)] fn e() { let _ = !#![attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = !#![attr] 0; }
    |                                 ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -71,7 +71,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = !#![attr] 0; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:18:33
    |
-LL | #[cfg(FALSE)] fn e() { let _ = -#![attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = -#![attr] 0; }
    |                                 ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -80,13 +80,13 @@ LL | #[cfg(FALSE)] fn e() { let _ = -#![attr] 0; }
 error: expected one of `!`, `.`, `::`, `;`, `?`, `else`, `{`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:20:34
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x #![attr] as Y; }
+LL | #[cfg(false)] fn e() { let _ = x #![attr] as Y; }
    |                                  ^ expected one of 8 possible tokens
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:22:35
    |
-LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] foo; }
+LL | #[cfg(false)] fn e() { let _ = || #![attr] foo; }
    |                                   ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -95,7 +95,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] foo; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:24:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] foo; }
+LL | #[cfg(false)] fn e() { let _ = move || #![attr] foo; }
    |                                        ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -104,7 +104,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] foo; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:26:35
    |
-LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] {foo}; }
+LL | #[cfg(false)] fn e() { let _ = || #![attr] {foo}; }
    |                                   ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -113,7 +113,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = || #![attr] {foo}; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:28:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; }
+LL | #[cfg(false)] fn e() { let _ = move || #![attr] {foo}; }
    |                                        ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -122,19 +122,19 @@ LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; }
 error: attributes are not allowed on range expressions starting with `..`
   --> $DIR/attr-stmt-expr-attr-bad.rs:30:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..#[attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = #[attr] ..#[attr] 0; }
    |                                        ^^
 
 error: attributes are not allowed on range expressions starting with `..`
   --> $DIR/attr-stmt-expr-attr-bad.rs:32:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..; }
+LL | #[cfg(false)] fn e() { let _ = #[attr] ..; }
    |                                        ^^
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:34:41
    |
-LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = #[attr] &#![attr] 0; }
    |                                         ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -143,7 +143,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; }
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:36:45
    |
-LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; }
+LL | #[cfg(false)] fn e() { let _ = #[attr] &mut #![attr] 0; }
    |                                             ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -152,21 +152,21 @@ LL | #[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; }
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:38:37
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 #[attr] {}; }
    |                                --   ^^^^^^^ -- the attributes are attached to this branch
    |                                |
    |                                the branch belongs to this `if`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if 0 #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if 0 #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if 0 {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:40:38
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {#![attr]}; }
    |                                      ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -175,27 +175,27 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {#![attr]}; }
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:42:40
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} #[attr] else {}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} #[attr] else {}; }
    |                                        ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:44:45
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} else #[attr] {}; }
    |                                        ---- ^^^^^^^ -- the attributes are attached to this branch
    |                                        |
    |                                        the branch belongs to this `else`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if 0 {} else {}; }
+LL - #[cfg(false)] fn e() { let _ = if 0 {} else #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if 0 {} else {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:46:46
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} else {#![attr]}; }
    |                                              ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -204,35 +204,35 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else {#![attr]}; }
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:48:45
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
    |                                        ---- ^^^^^^^ ------- the attributes are attached to this branch
    |                                        |
    |                                        the branch belongs to this `else`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if 0 {} else #[attr] if 0 {}; }
+LL + #[cfg(false)] fn e() { let _ = if 0 {} else if 0 {}; }
    |
 
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:50:50
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
    |                                             --   ^^^^^^^ -- the attributes are attached to this branch
    |                                             |
    |                                             the branch belongs to this `if`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if 0 {} else if 0 #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if 0 {} else if 0 {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:52:51
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
    |                                                   ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -241,21 +241,21 @@ LL | #[cfg(FALSE)] fn e() { let _ = if 0 {} else if 0 {#![attr]}; }
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:54:45
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 #[attr] {}; }
    |                                --           ^^^^^^^ -- the attributes are attached to this branch
    |                                |
    |                                the branch belongs to this `if`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if let _ = 0 #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if let _ = 0 #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if let _ = 0 {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:56:46
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {#![attr]}; }
    |                                              ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -264,27 +264,27 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {#![attr]}; }
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:58:48
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} #[attr] else {}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} #[attr] else {}; }
    |                                                ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:60:53
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
    |                                                ---- ^^^^^^^ -- the attributes are attached to this branch
    |                                                |
    |                                                the branch belongs to this `else`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {}; }
+LL - #[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if let _ = 0 {} else {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:62:54
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
    |                                                      ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -293,35 +293,35 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else {#![attr]}; }
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:64:53
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
    |                                                ---- ^^^^^^^ --------------- the attributes are attached to this branch
    |                                                |
    |                                                the branch belongs to this `else`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if let _ = 0 {} else #[attr] if let _ = 0 {}; }
+LL + #[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {}; }
    |
 
 error: outer attributes are not allowed on `if` and `else` branches
   --> $DIR/attr-stmt-expr-attr-bad.rs:66:66
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
    |                                                     --           ^^^^^^^ -- the attributes are attached to this branch
    |                                                     |
    |                                                     the branch belongs to this `if`
    |
 help: remove the attributes
    |
-LL - #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
-LL + #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {}; }
+LL - #[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 #[attr] {}; }
+LL + #[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {}; }
    |
 
 error: an inner attribute is not permitted in this context
   --> $DIR/attr-stmt-expr-attr-bad.rs:68:67
    |
-LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}; }
+LL | #[cfg(false)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}; }
    |                                                                   ^^^^^^^^
    |
    = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files
@@ -330,7 +330,7 @@ LL | #[cfg(FALSE)] fn e() { let _ = if let _ = 0 {} else if let _ = 0 {#![attr]}
 error: an inner attribute is not permitted following an outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:71:32
    |
-LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] let _ = 0; }
+LL | #[cfg(false)] fn s() { #[attr] #![attr] let _ = 0; }
    |                        ------- ^^^^^^^^ not permitted following an outer attribute
    |                        |
    |                        previous outer attribute
@@ -341,7 +341,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] let _ = 0; }
 error: an inner attribute is not permitted following an outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:73:32
    |
-LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] 0; }
+LL | #[cfg(false)] fn s() { #[attr] #![attr] 0; }
    |                        ------- ^^^^^^^^ not permitted following an outer attribute
    |                        |
    |                        previous outer attribute
@@ -352,7 +352,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] 0; }
 error: an inner attribute is not permitted following an outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:75:32
    |
-LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!(); }
+LL | #[cfg(false)] fn s() { #[attr] #![attr] foo!(); }
    |                        ------- ^^^^^^^^ ------- the inner attribute doesn't annotate this item macro invocation
    |                        |       |
    |                        |       not permitted following an outer attribute
@@ -363,7 +363,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!(); }
 error: an inner attribute is not permitted following an outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:77:32
    |
-LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo![]; }
+LL | #[cfg(false)] fn s() { #[attr] #![attr] foo![]; }
    |                        ------- ^^^^^^^^ ------- the inner attribute doesn't annotate this item macro invocation
    |                        |       |
    |                        |       not permitted following an outer attribute
@@ -374,7 +374,7 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo![]; }
 error: an inner attribute is not permitted following an outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:79:32
    |
-LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!{}; }
+LL | #[cfg(false)] fn s() { #[attr] #![attr] foo!{}; }
    |                        ------- ^^^^^^^^ ------ the inner attribute doesn't annotate this item macro invocation
    |                        |       |
    |                        |       not permitted following an outer attribute
@@ -385,100 +385,100 @@ LL | #[cfg(FALSE)] fn s() { #[attr] #![attr] foo!{}; }
 error[E0586]: inclusive range with no end
   --> $DIR/attr-stmt-expr-attr-bad.rs:85:35
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] 10 => () } }
    |                                   ^^^
    |
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 help: use `..` instead
    |
-LL - #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
-LL + #[cfg(FALSE)] fn e() { match 0 { 0..#[attr] 10 => () } }
+LL - #[cfg(false)] fn e() { match 0 { 0..=#[attr] 10 => () } }
+LL + #[cfg(false)] fn e() { match 0 { 0..#[attr] 10 => () } }
    |
 
 error: expected one of `=>`, `if`, or `|`, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:85:38
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] 10 => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] 10 => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error[E0586]: inclusive range with no end
   --> $DIR/attr-stmt-expr-attr-bad.rs:88:35
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] -10 => () } }
    |                                   ^^^
    |
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 help: use `..` instead
    |
-LL - #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
-LL + #[cfg(FALSE)] fn e() { match 0 { 0..#[attr] -10 => () } }
+LL - #[cfg(false)] fn e() { match 0 { 0..=#[attr] -10 => () } }
+LL + #[cfg(false)] fn e() { match 0 { 0..#[attr] -10 => () } }
    |
 
 error: expected one of `=>`, `if`, or `|`, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:88:38
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] -10 => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] -10 => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error: unexpected token: `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:91:39
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=-#[attr] 10 => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=-#[attr] 10 => () } }
    |                                       ^
 
 error[E0586]: inclusive range with no end
   --> $DIR/attr-stmt-expr-attr-bad.rs:93:35
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] FOO => () } }
    |                                   ^^^
    |
    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
 help: use `..` instead
    |
-LL - #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
-LL + #[cfg(FALSE)] fn e() { match 0 { 0..#[attr] FOO => () } }
+LL - #[cfg(false)] fn e() { match 0 { 0..=#[attr] FOO => () } }
+LL + #[cfg(false)] fn e() { match 0 { 0..#[attr] FOO => () } }
    |
 
 error: expected one of `=>`, `if`, or `|`, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:93:38
    |
-LL | #[cfg(FALSE)] fn e() { match 0 { 0..=#[attr] FOO => () } }
+LL | #[cfg(false)] fn e() { match 0 { 0..=#[attr] FOO => () } }
    |                                      ^ expected one of `=>`, `if`, or `|`
 
 error: unexpected token: `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:97:34
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.#![attr]foo(); }
+LL | #[cfg(false)] fn e() { let _ = x.#![attr]foo(); }
    |                                  ^
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:97:34
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.#![attr]foo(); }
+LL | #[cfg(false)] fn e() { let _ = x.#![attr]foo(); }
    |                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: unexpected token: `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:100:34
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.#[attr]foo(); }
+LL | #[cfg(false)] fn e() { let _ = x.#[attr]foo(); }
    |                                  ^
 
 error: expected one of `.`, `;`, `?`, `else`, or an operator, found `#`
   --> $DIR/attr-stmt-expr-attr-bad.rs:100:34
    |
-LL | #[cfg(FALSE)] fn e() { let _ = x.#[attr]foo(); }
+LL | #[cfg(false)] fn e() { let _ = x.#[attr]foo(); }
    |                                  ^ expected one of `.`, `;`, `?`, `else`, or an operator
 
 error: expected statement after outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:105:37
    |
-LL | #[cfg(FALSE)] fn e() { { fn foo() { #[attr]; } } }
+LL | #[cfg(false)] fn e() { { fn foo() { #[attr]; } } }
    |                                     ^^^^^^^
 
 error: expected statement after outer attribute
   --> $DIR/attr-stmt-expr-attr-bad.rs:107:37
    |
-LL | #[cfg(FALSE)] fn e() { { fn foo() { #[attr] } } }
+LL | #[cfg(false)] fn e() { { fn foo() { #[attr] } } }
    |                                     ^^^^^^^
 
 error: aborting due to 53 previous errors
diff --git a/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.rs b/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.rs
index 33671df9492..371f19d4872 100644
--- a/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.rs
+++ b/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.rs
@@ -1,7 +1,7 @@
 #![feature(stmt_expr_attributes)]
 
 fn foo() -> String {
-    #[cfg(FALSE)]
+    #[cfg(false)]
     [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() //~ ERROR expected `;`, found `#`
     #[cfg(not(FALSE))]
     String::new()
diff --git a/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr b/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr
index 6266718162f..3a97a14b3c3 100644
--- a/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr
+++ b/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr
@@ -1,7 +1,7 @@
 error: expected `;`, found `#`
   --> $DIR/multiple-tail-expr-behind-cfg.rs:5:64
    |
-LL |     #[cfg(FALSE)]
+LL |     #[cfg(false)]
    |     ------------- only `;` terminated statements or tail expressions are allowed after this attribute
 LL |     [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
    |                                                                ^ expected `;` here
@@ -18,7 +18,7 @@ LL |     { [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() }
    |     +                                                             +
 help: it seems like you are trying to provide different expressions depending on `cfg`, consider using `if cfg!(..)`
    |
-LL ~     if cfg!(FALSE) {
+LL ~     if cfg!(false) {
 LL ~         [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
 LL ~     } else if cfg!(not(FALSE)) {
 LL ~         String::new()
diff --git a/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.rs b/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.rs
index e2a62922bcc..1cd3f13d7b6 100644
--- a/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.rs
+++ b/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.rs
@@ -5,7 +5,7 @@ macro_rules! the_macro {
         #[cfg()]
         $foo //~ ERROR expected `;`, found `#`
 
-        #[cfg(FALSE)]
+        #[cfg(false)]
         $bar
     };
 }
diff --git a/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.stderr b/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.stderr
index fa4409f73fa..41e7b5ab759 100644
--- a/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.stderr
+++ b/tests/ui/parser/attribute/properly-recover-from-trailing-outer-attribute-in-body-2.stderr
@@ -6,7 +6,7 @@ LL |         #[cfg()]
 LL |         $foo
    |             ^ expected `;` here
 LL |
-LL |         #[cfg(FALSE)]
+LL |         #[cfg(false)]
    |         - unexpected token
 ...
 LL |     the_macro!( (); (); );
diff --git a/tests/ui/parser/constraints-before-generic-args-syntactic-pass.rs b/tests/ui/parser/constraints-before-generic-args-syntactic-pass.rs
index ed3ffed2f80..acc58a47fbc 100644
--- a/tests/ui/parser/constraints-before-generic-args-syntactic-pass.rs
+++ b/tests/ui/parser/constraints-before-generic-args-syntactic-pass.rs
@@ -1,6 +1,6 @@
 //@ check-pass
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     foo::<T = u8, T: Ord, String>();
     foo::<T = u8, 'a, T: Ord>();
diff --git a/tests/ui/parser/default-on-wrong-item-kind.rs b/tests/ui/parser/default-on-wrong-item-kind.rs
index 98a95cfa35a..da990a4b421 100644
--- a/tests/ui/parser/default-on-wrong-item-kind.rs
+++ b/tests/ui/parser/default-on-wrong-item-kind.rs
@@ -4,7 +4,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 mod free_items {
     default extern crate foo; //~ ERROR an extern crate cannot be `default`
     default use foo; //~ ERROR a `use` import cannot be `default`
@@ -28,7 +28,7 @@ mod free_items {
     default macro_rules! foo {} //~ ERROR a macro definition cannot be `default`
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" {
     default extern crate foo; //~ ERROR an extern crate cannot be `default`
     //~^ ERROR extern crate is not supported in `extern` blocks
@@ -65,7 +65,7 @@ extern "C" {
     //~^ ERROR macro definition is not supported in `extern` blocks
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl S {
     default extern crate foo; //~ ERROR an extern crate cannot be `default`
     //~^ ERROR extern crate is not supported in `trait`s or `impl`s
@@ -102,7 +102,7 @@ impl S {
     //~^ ERROR macro definition is not supported in `trait`s or `impl`s
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 trait T {
     default extern crate foo; //~ ERROR an extern crate cannot be `default`
     //~^ ERROR extern crate is not supported in `trait`s or `impl`s
diff --git a/tests/ui/parser/extern-abi-syntactic.rs b/tests/ui/parser/extern-abi-syntactic.rs
index d3e2ba0e2d3..28565a3f4be 100644
--- a/tests/ui/parser/extern-abi-syntactic.rs
+++ b/tests/ui/parser/extern-abi-syntactic.rs
@@ -5,13 +5,13 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "some_abi_that_we_are_sure_does_not_exist_semantically" fn foo() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "some_abi_that_we_are_sure_does_not_exist_semantically" {
     fn foo();
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 type T = extern "some_abi_that_we_are_sure_does_not_exist_semantically" fn();
diff --git a/tests/ui/parser/extern-crate-async.rs b/tests/ui/parser/extern-crate-async.rs
index 7c7769075b6..529e0f1ab5c 100644
--- a/tests/ui/parser/extern-crate-async.rs
+++ b/tests/ui/parser/extern-crate-async.rs
@@ -5,8 +5,8 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern crate async;
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern crate async as something_else;
diff --git a/tests/ui/parser/fn-body-optional-syntactic-pass.rs b/tests/ui/parser/fn-body-optional-syntactic-pass.rs
index 140471dfc77..762247e63e9 100644
--- a/tests/ui/parser/fn-body-optional-syntactic-pass.rs
+++ b/tests/ui/parser/fn-body-optional-syntactic-pass.rs
@@ -4,7 +4,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     fn f();
     fn f() {}
diff --git a/tests/ui/parser/fn-header-syntactic-pass.rs b/tests/ui/parser/fn-header-syntactic-pass.rs
index 065ded31b07..1e15886e564 100644
--- a/tests/ui/parser/fn-header-syntactic-pass.rs
+++ b/tests/ui/parser/fn-header-syntactic-pass.rs
@@ -5,7 +5,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     async fn f();
     unsafe fn f();
diff --git a/tests/ui/parser/foreign-const-syntactic-fail.rs b/tests/ui/parser/foreign-const-syntactic-fail.rs
index a6e77f84663..fc3cd0b3430 100644
--- a/tests/ui/parser/foreign-const-syntactic-fail.rs
+++ b/tests/ui/parser/foreign-const-syntactic-fail.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" {
     const A: isize; //~ ERROR extern items cannot be `const`
     const B: isize = 42; //~ ERROR extern items cannot be `const`
diff --git a/tests/ui/parser/foreign-static-syntactic-pass.rs b/tests/ui/parser/foreign-static-syntactic-pass.rs
index a76b9bab491..d7c21c672ab 100644
--- a/tests/ui/parser/foreign-static-syntactic-pass.rs
+++ b/tests/ui/parser/foreign-static-syntactic-pass.rs
@@ -4,7 +4,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" {
     static X: u8;
     static mut Y: u8;
diff --git a/tests/ui/parser/foreign-ty-syntactic-pass.rs b/tests/ui/parser/foreign-ty-syntactic-pass.rs
index 50bb68cd83b..33727685201 100644
--- a/tests/ui/parser/foreign-ty-syntactic-pass.rs
+++ b/tests/ui/parser/foreign-ty-syntactic-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" {
     type A: Ord;
     type A<'a> where 'a: 'static;
diff --git a/tests/ui/parser/impl-item-const-pass.rs b/tests/ui/parser/impl-item-const-pass.rs
index 8ebdf633b5b..6ca4cd9cd93 100644
--- a/tests/ui/parser/impl-item-const-pass.rs
+++ b/tests/ui/parser/impl-item-const-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X {
     const Y: u8;
 }
diff --git a/tests/ui/parser/impl-item-fn-no-body-pass.rs b/tests/ui/parser/impl-item-fn-no-body-pass.rs
index 5a593fe1d12..b8269fc4270 100644
--- a/tests/ui/parser/impl-item-fn-no-body-pass.rs
+++ b/tests/ui/parser/impl-item-fn-no-body-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X {
     fn f();
 }
diff --git a/tests/ui/parser/impl-item-type-no-body-pass.rs b/tests/ui/parser/impl-item-type-no-body-pass.rs
index 039825bcc53..979b5f76596 100644
--- a/tests/ui/parser/impl-item-type-no-body-pass.rs
+++ b/tests/ui/parser/impl-item-type-no-body-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X {
     type Y;
     type Z: Ord;
diff --git a/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-enum.rs b/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-enum.rs
index 4fa803bb318..13bb9351bb6 100644
--- a/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-enum.rs
+++ b/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-enum.rs
@@ -20,7 +20,7 @@ macro_rules! mac_variant {
 mac_variant!(MARKER);
 
 // We also accept visibilities on variants syntactically but not semantically.
-#[cfg(FALSE)]
+#[cfg(false)]
 enum E {
     pub U,
     pub(crate) T(u8),
diff --git a/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-trait.rs b/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-trait.rs
index cd474db63b7..55e69cd14d6 100644
--- a/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-trait.rs
+++ b/tests/ui/parser/issues/issue-65041-empty-vis-matcher-in-trait.rs
@@ -20,7 +20,7 @@ trait Alpha {
 }
 
 // We also accept visibilities on items in traits syntactically but not semantically.
-#[cfg(FALSE)]
+#[cfg(false)]
 trait Foo {
     pub fn bar();
     pub(crate) type baz;
diff --git a/tests/ui/parser/item-free-const-no-body-syntactic-pass.rs b/tests/ui/parser/item-free-const-no-body-syntactic-pass.rs
index 4edbee54de6..0b9229860bf 100644
--- a/tests/ui/parser/item-free-const-no-body-syntactic-pass.rs
+++ b/tests/ui/parser/item-free-const-no-body-syntactic-pass.rs
@@ -4,5 +4,5 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 const X: u8;
diff --git a/tests/ui/parser/item-free-static-no-body-syntactic-pass.rs b/tests/ui/parser/item-free-static-no-body-syntactic-pass.rs
index df5192645e1..8dae4338ee7 100644
--- a/tests/ui/parser/item-free-static-no-body-syntactic-pass.rs
+++ b/tests/ui/parser/item-free-static-no-body-syntactic-pass.rs
@@ -4,5 +4,5 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 static X: u8;
diff --git a/tests/ui/parser/item-free-type-bounds-syntactic-pass.rs b/tests/ui/parser/item-free-type-bounds-syntactic-pass.rs
index 80de3cfc668..8603dc3eaf8 100644
--- a/tests/ui/parser/item-free-type-bounds-syntactic-pass.rs
+++ b/tests/ui/parser/item-free-type-bounds-syntactic-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     type A: Ord;
     type B: Ord = u8;
diff --git a/tests/ui/parser/recover/recover-assoc-const-constraint.rs b/tests/ui/parser/recover/recover-assoc-const-constraint.rs
index 1453e6cb5cd..d938b4ccaca 100644
--- a/tests/ui/parser/recover/recover-assoc-const-constraint.rs
+++ b/tests/ui/parser/recover/recover-assoc-const-constraint.rs
@@ -1,4 +1,4 @@
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     bar::<Item = 42>();
     //~^ ERROR associated const equality is incomplete
diff --git a/tests/ui/parser/recover/recover-assoc-eq-missing-term.rs b/tests/ui/parser/recover/recover-assoc-eq-missing-term.rs
index 4b42c44dc64..73b4e22cab6 100644
--- a/tests/ui/parser/recover/recover-assoc-eq-missing-term.rs
+++ b/tests/ui/parser/recover/recover-assoc-eq-missing-term.rs
@@ -1,4 +1,4 @@
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     bar::<Item =   >(); //~ ERROR missing type to the right of `=`
 }
diff --git a/tests/ui/parser/recover/recover-assoc-lifetime-constraint.rs b/tests/ui/parser/recover/recover-assoc-lifetime-constraint.rs
index cb65f80b089..30bac49e63a 100644
--- a/tests/ui/parser/recover/recover-assoc-lifetime-constraint.rs
+++ b/tests/ui/parser/recover/recover-assoc-lifetime-constraint.rs
@@ -1,4 +1,4 @@
-#[cfg(FALSE)]
+#[cfg(false)]
 fn syntax() {
     bar::<Item = 'a>(); //~ ERROR lifetimes are not permitted in this context
 }
diff --git a/tests/ui/parser/self-param-syntactic-pass.rs b/tests/ui/parser/self-param-syntactic-pass.rs
index c7fdc529716..331e652f9c5 100644
--- a/tests/ui/parser/self-param-syntactic-pass.rs
+++ b/tests/ui/parser/self-param-syntactic-pass.rs
@@ -5,7 +5,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn free() {
     fn f(self) {}
     fn f(mut self) {}
@@ -17,7 +17,7 @@ fn free() {
     fn f(mut self: u8) {}
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" {
     fn f(self);
     fn f(mut self);
@@ -29,7 +29,7 @@ extern "C" {
     fn f(mut self: u8);
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 trait X {
     fn f(self) {}
     fn f(mut self) {}
@@ -41,7 +41,7 @@ trait X {
     fn f(mut self: u8) {}
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X for Y {
     fn f(self) {}
     fn f(mut self) {}
@@ -53,7 +53,7 @@ impl X for Y {
     fn f(mut self: u8) {}
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X for Y {
     type X = fn(self);
     type X = fn(mut self);
diff --git a/tests/ui/parser/stripped-nested-outline-mod-pass.rs b/tests/ui/parser/stripped-nested-outline-mod-pass.rs
index 8909d8ae0eb..166a60f257a 100644
--- a/tests/ui/parser/stripped-nested-outline-mod-pass.rs
+++ b/tests/ui/parser/stripped-nested-outline-mod-pass.rs
@@ -5,7 +5,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 mod foo {
     mod bar {
         mod baz; // This was an error before.
diff --git a/tests/ui/parser/trait-item-with-defaultness-pass.rs b/tests/ui/parser/trait-item-with-defaultness-pass.rs
index c636342f6ca..164d0b13b53 100644
--- a/tests/ui/parser/trait-item-with-defaultness-pass.rs
+++ b/tests/ui/parser/trait-item-with-defaultness-pass.rs
@@ -2,7 +2,7 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 trait X {
     default const A: u8;
     default const B: u8 = 0;
diff --git a/tests/ui/parser/variadic-ffi-syntactic-pass.rs b/tests/ui/parser/variadic-ffi-syntactic-pass.rs
index da81f136216..ebe0b6c2dd2 100644
--- a/tests/ui/parser/variadic-ffi-syntactic-pass.rs
+++ b/tests/ui/parser/variadic-ffi-syntactic-pass.rs
@@ -2,31 +2,31 @@
 
 fn main() {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn f1_1(x: isize, ...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 fn f1_2(...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" fn f2_1(x: isize, ...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" fn f2_2(...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern "C" fn f2_3(..., x: isize) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern fn f3_1(x: isize, ...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern fn f3_2(...) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern fn f3_3(..., x: isize) {}
 
-#[cfg(FALSE)]
+#[cfg(false)]
 extern {
     fn e_f1(...);
     fn e_f2(..., x: isize);
@@ -34,7 +34,7 @@ extern {
 
 struct X;
 
-#[cfg(FALSE)]
+#[cfg(false)]
 impl X {
     fn i_f1(x: isize, ...) {}
     fn i_f2(...) {}
@@ -42,7 +42,7 @@ impl X {
     fn i_f4(..., x: isize, ...) {}
 }
 
-#[cfg(FALSE)]
+#[cfg(false)]
 trait T {
     fn t_f1(x: isize, ...) {}
     fn t_f2(x: isize, ...);