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-rw-r--r--tests/codegen/cffi/c-variadic-naked.rs19
-rw-r--r--tests/codegen/naked-fn/naked-functions.rs2
-rw-r--r--tests/rustdoc-ui/auxiliary/include-str-bare-urls.md10
-rw-r--r--tests/rustdoc-ui/include-str-bare-urls.rs15
-rw-r--r--tests/rustdoc-ui/include-str-bare-urls.stderr15
-rw-r--r--tests/rustdoc-ui/intra-doc/warning.rs4
-rw-r--r--tests/rustdoc-ui/intra-doc/warning.stderr19
-rw-r--r--tests/rustdoc-ui/invalid-syntax.stderr7
-rw-r--r--tests/rustdoc-ui/unescaped_backticks.stderr24
-rw-r--r--tests/ui/error-codes/E0449.fixed18
-rw-r--r--tests/ui/error-codes/E0449.rs4
-rw-r--r--tests/ui/error-codes/E0449.stderr12
-rw-r--r--tests/ui/include-macros/mismatched-types.stderr7
-rw-r--r--tests/ui/issues/issue-28433.stderr4
-rw-r--r--tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.rs9
-rw-r--r--tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.stderr14
-rw-r--r--tests/ui/lexer/lex-bad-str-literal-as-char-3.rs3
-rw-r--r--tests/ui/lexer/lex-bad-str-literal-as-char-3.rust2021.stderr14
-rw-r--r--tests/ui/lexer/lex-bad-str-literal-as-char-4.rs9
-rw-r--r--tests/ui/lexer/lex-bad-str-literal-as-char-4.stderr26
-rw-r--r--tests/ui/parser/assoc/assoc-static-semantic-fail.stderr4
-rw-r--r--tests/ui/parser/default.stderr2
-rw-r--r--tests/ui/parser/trait-pub-assoc-const.stderr2
-rw-r--r--tests/ui/parser/trait-pub-assoc-ty.stderr2
-rw-r--r--tests/ui/parser/trait-pub-method.stderr2
-rw-r--r--tests/ui/privacy/issue-113860-1.stderr2
-rw-r--r--tests/ui/privacy/issue-113860-2.stderr2
-rw-r--r--tests/ui/privacy/issue-113860.stderr2
-rw-r--r--tests/ui/privacy/issue-29161.stderr2
-rw-r--r--tests/ui/privacy/priv-in-bad-locations.stderr8
-rw-r--r--tests/ui/privacy/privacy-sanity.stderr36
-rw-r--r--tests/ui/privacy/useless-pub.stderr6
32 files changed, 229 insertions, 76 deletions
diff --git a/tests/codegen/cffi/c-variadic-naked.rs b/tests/codegen/cffi/c-variadic-naked.rs
new file mode 100644
index 00000000000..807873ea368
--- /dev/null
+++ b/tests/codegen/cffi/c-variadic-naked.rs
@@ -0,0 +1,19 @@
+//@ needs-asm-support
+//@ only-x86_64
+
+// tests that `va_start` is not injected into naked functions
+
+#![crate_type = "lib"]
+#![feature(c_variadic)]
+#![feature(naked_functions)]
+#![no_std]
+
+#[naked]
+pub unsafe extern "C" fn c_variadic(_: usize, _: ...) {
+    // CHECK-NOT: va_start
+    // CHECK-NOT: alloca
+    core::arch::asm! {
+        "ret",
+        options(noreturn),
+    }
+}
diff --git a/tests/codegen/naked-fn/naked-functions.rs b/tests/codegen/naked-fn/naked-functions.rs
index 755dd155112..3c426825537 100644
--- a/tests/codegen/naked-fn/naked-functions.rs
+++ b/tests/codegen/naked-fn/naked-functions.rs
@@ -19,7 +19,7 @@ pub unsafe extern "C" fn naked_empty() {
 }
 
 // CHECK: Function Attrs: naked
-// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %a, i64 %b)
+// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %0, i64 %1)
 #[no_mangle]
 #[naked]
 pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
diff --git a/tests/rustdoc-ui/auxiliary/include-str-bare-urls.md b/tests/rustdoc-ui/auxiliary/include-str-bare-urls.md
new file mode 100644
index 00000000000..b07717d8f02
--- /dev/null
+++ b/tests/rustdoc-ui/auxiliary/include-str-bare-urls.md
@@ -0,0 +1,10 @@
+HEADS UP! https://example.com MUST SHOW UP IN THE STDERR FILE!
+
+Normally, a line with errors on it will also have a comment
+marking it up as something that needs to generate an error.
+
+The test harness doesn't gather hot comments from this file.
+Rustdoc will generate an error for the line, and the `.stderr`
+snapshot includes this error, but Compiletest doesn't see it.
+
+If the stderr file changes, make sure the warning points at the URL!
diff --git a/tests/rustdoc-ui/include-str-bare-urls.rs b/tests/rustdoc-ui/include-str-bare-urls.rs
new file mode 100644
index 00000000000..c452c88cdd3
--- /dev/null
+++ b/tests/rustdoc-ui/include-str-bare-urls.rs
@@ -0,0 +1,15 @@
+// https://github.com/rust-lang/rust/issues/118549
+//
+// HEADS UP!
+//
+// Normally, a line with errors on it will also have a comment
+// marking it up as something that needs to generate an error.
+//
+// The test harness doesn't gather hot comments from the `.md` file.
+// Rustdoc will generate an error for the line, and the `.stderr`
+// snapshot includes this error, but Compiletest doesn't see it.
+//
+// If the stderr file changes, make sure the warning points at the URL!
+
+#![deny(rustdoc::bare_urls)]
+#![doc=include_str!("auxiliary/include-str-bare-urls.md")]
diff --git a/tests/rustdoc-ui/include-str-bare-urls.stderr b/tests/rustdoc-ui/include-str-bare-urls.stderr
new file mode 100644
index 00000000000..a4234196b23
--- /dev/null
+++ b/tests/rustdoc-ui/include-str-bare-urls.stderr
@@ -0,0 +1,15 @@
+error: this URL is not a hyperlink
+  --> $DIR/auxiliary/include-str-bare-urls.md:1:11
+   |
+LL | HEADS UP! https://example.com MUST SHOW UP IN THE STDERR FILE!
+   |           ^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://example.com>`
+   |
+   = note: bare URLs are not automatically turned into clickable links
+note: the lint level is defined here
+  --> $DIR/include-str-bare-urls.rs:14:9
+   |
+LL | #![deny(rustdoc::bare_urls)]
+   |         ^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/rustdoc-ui/intra-doc/warning.rs b/tests/rustdoc-ui/intra-doc/warning.rs
index 96b5c2b36a1..ed51b2fa41b 100644
--- a/tests/rustdoc-ui/intra-doc/warning.rs
+++ b/tests/rustdoc-ui/intra-doc/warning.rs
@@ -47,11 +47,11 @@ pub fn d() {}
 
 macro_rules! f {
     ($f:expr) => {
-        #[doc = $f] //~ WARNING `BarF`
+        #[doc = $f]
         pub fn f() {}
     }
 }
-f!("Foo\nbar [BarF] bar\nbaz");
+f!("Foo\nbar [BarF] bar\nbaz"); //~ WARNING `BarF`
 
 /** # for example,
  *
diff --git a/tests/rustdoc-ui/intra-doc/warning.stderr b/tests/rustdoc-ui/intra-doc/warning.stderr
index 19399a0df5b..3a06f1787e0 100644
--- a/tests/rustdoc-ui/intra-doc/warning.stderr
+++ b/tests/rustdoc-ui/intra-doc/warning.stderr
@@ -69,10 +69,10 @@ LL | bar [BarC] bar
    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
 
 warning: unresolved link to `BarD`
-  --> $DIR/warning.rs:45:1
+  --> $DIR/warning.rs:45:9
    |
 LL | #[doc = "Foo\nbar [BarD] bar\nbaz"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: the link appears in this line:
            
@@ -82,13 +82,10 @@ LL | #[doc = "Foo\nbar [BarD] bar\nbaz"]
    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
 
 warning: unresolved link to `BarF`
-  --> $DIR/warning.rs:50:9
+  --> $DIR/warning.rs:54:4
    |
-LL |         #[doc = $f]
-   |         ^^^^^^^^^^^
-...
 LL | f!("Foo\nbar [BarF] bar\nbaz");
-   | ------------------------------ in this macro invocation
+   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: the link appears in this line:
            
@@ -115,10 +112,10 @@ LL |  * time to introduce a link [error]
    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
 
 warning: unresolved link to `error`
-  --> $DIR/warning.rs:68:1
+  --> $DIR/warning.rs:68:9
    |
 LL | #[doc = "single line [error]"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^
    |
    = note: the link appears in this line:
            
@@ -128,10 +125,10 @@ LL | #[doc = "single line [error]"]
    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
 
 warning: unresolved link to `error`
-  --> $DIR/warning.rs:71:1
+  --> $DIR/warning.rs:71:9
    |
 LL | #[doc = "single line with \"escaping\" [error]"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: the link appears in this line:
            
diff --git a/tests/rustdoc-ui/invalid-syntax.stderr b/tests/rustdoc-ui/invalid-syntax.stderr
index 6140a06c555..46d7cdb4f7e 100644
--- a/tests/rustdoc-ui/invalid-syntax.stderr
+++ b/tests/rustdoc-ui/invalid-syntax.stderr
@@ -90,12 +90,13 @@ LL | | /// ```
    = note: error from rustc: unknown start of token: \
 
 warning: could not parse code block as Rust code
-  --> $DIR/invalid-syntax.rs:70:1
+  --> $DIR/invalid-syntax.rs:70:9
    |
-LL | / #[doc = "```"]
+LL |   #[doc = "```"]
+   |  _________^
 LL | | /// \_
 LL | | #[doc = "```"]
-   | |______________^
+   | |_____________^
    |
    = help: mark blocks that do not contain Rust code as text: ```text
    = note: error from rustc: unknown start of token: \
diff --git a/tests/rustdoc-ui/unescaped_backticks.stderr b/tests/rustdoc-ui/unescaped_backticks.stderr
index 000a5b597d2..67b87f353a1 100644
--- a/tests/rustdoc-ui/unescaped_backticks.stderr
+++ b/tests/rustdoc-ui/unescaped_backticks.stderr
@@ -640,10 +640,10 @@ LL | /// or even to add a number `n` to 42 (`add(42, n)\`)!
    |                                                   +
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:108:1
+  --> $DIR/unescaped_backticks.rs:108:9
    |
 LL | #[doc = "`"]
-   | ^^^^^^^^^^^^
+   |         ^^^
    |
    = help: the opening or closing backtick of an inline code may be missing
    = help: if you meant to use a literal backtick, escape it
@@ -651,10 +651,10 @@ LL | #[doc = "`"]
            to this: \`
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:115:1
+  --> $DIR/unescaped_backticks.rs:115:9
    |
 LL | #[doc = concat!("\\", "`")]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^
    |
    = help: the opening backtick of an inline code may be missing
             change: \`
@@ -664,10 +664,10 @@ LL | #[doc = concat!("\\", "`")]
            to this: \\`
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:119:1
+  --> $DIR/unescaped_backticks.rs:119:9
    |
 LL | #[doc = "Addition is commutative, which means that add(a, b)` is the same as `add(b, a)`."]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: the opening backtick of a previous inline code may be missing
             change: Addition is commutative, which means that add(a, b)` is the same as `add(b, a)`.
@@ -677,10 +677,10 @@ LL | #[doc = "Addition is commutative, which means that add(a, b)` is the same a
            to this: Addition is commutative, which means that add(a, b)` is the same as `add(b, a)\`.
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:123:1
+  --> $DIR/unescaped_backticks.rs:123:9
    |
 LL | #[doc = "Addition is commutative, which means that `add(a, b) is the same as `add(b, a)`."]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: a previous inline code might be longer than expected
             change: Addition is commutative, which means that `add(a, b) is the same as `add(b, a)`.
@@ -690,10 +690,10 @@ LL | #[doc = "Addition is commutative, which means that `add(a, b) is the same a
            to this: Addition is commutative, which means that `add(a, b) is the same as `add(b, a)\`.
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:127:1
+  --> $DIR/unescaped_backticks.rs:127:9
    |
 LL | #[doc = "Addition is commutative, which means that `add(a, b)` is the same as add(b, a)`."]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: the opening backtick of an inline code may be missing
             change: Addition is commutative, which means that `add(a, b)` is the same as add(b, a)`.
@@ -703,10 +703,10 @@ LL | #[doc = "Addition is commutative, which means that `add(a, b)` is the same
            to this: Addition is commutative, which means that `add(a, b)` is the same as add(b, a)\`.
 
 error: unescaped backtick
-  --> $DIR/unescaped_backticks.rs:131:1
+  --> $DIR/unescaped_backticks.rs:131:9
    |
 LL | #[doc = "Addition is commutative, which means that `add(a, b)` is the same as `add(b, a)."]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: the closing backtick of an inline code may be missing
             change: Addition is commutative, which means that `add(a, b)` is the same as `add(b, a).
diff --git a/tests/ui/error-codes/E0449.fixed b/tests/ui/error-codes/E0449.fixed
new file mode 100644
index 00000000000..c7b4566303d
--- /dev/null
+++ b/tests/ui/error-codes/E0449.fixed
@@ -0,0 +1,18 @@
+//@ run-rustfix
+
+#![allow(warnings)]
+
+struct Bar;
+
+trait Foo {
+    fn foo();
+}
+
+ impl Bar {} //~ ERROR E0449
+
+ impl Foo for Bar { //~ ERROR E0449
+     fn foo() {} //~ ERROR E0449
+}
+
+fn main() {
+}
diff --git a/tests/ui/error-codes/E0449.rs b/tests/ui/error-codes/E0449.rs
index eba0d479e97..32d9b35169c 100644
--- a/tests/ui/error-codes/E0449.rs
+++ b/tests/ui/error-codes/E0449.rs
@@ -1,3 +1,7 @@
+//@ run-rustfix
+
+#![allow(warnings)]
+
 struct Bar;
 
 trait Foo {
diff --git a/tests/ui/error-codes/E0449.stderr b/tests/ui/error-codes/E0449.stderr
index cf41bcce8c2..c6a98269a19 100644
--- a/tests/ui/error-codes/E0449.stderr
+++ b/tests/ui/error-codes/E0449.stderr
@@ -1,24 +1,24 @@
 error[E0449]: visibility qualifiers are not permitted here
-  --> $DIR/E0449.rs:7:1
+  --> $DIR/E0449.rs:11:1
    |
 LL | pub impl Bar {}
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual impl items instead
 
 error[E0449]: visibility qualifiers are not permitted here
-  --> $DIR/E0449.rs:9:1
+  --> $DIR/E0449.rs:13:1
    |
 LL | pub impl Foo for Bar {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
 error[E0449]: visibility qualifiers are not permitted here
-  --> $DIR/E0449.rs:10:5
+  --> $DIR/E0449.rs:14:5
    |
 LL |     pub fn foo() {}
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/include-macros/mismatched-types.stderr b/tests/ui/include-macros/mismatched-types.stderr
index 4f2880e2f5d..9bc0e64464e 100644
--- a/tests/ui/include-macros/mismatched-types.stderr
+++ b/tests/ui/include-macros/mismatched-types.stderr
@@ -1,8 +1,11 @@
 error[E0308]: mismatched types
-  --> $DIR/mismatched-types.rs:2:20
+  --> $DIR/file.txt:0:1
+   |
+   |
+  ::: $DIR/mismatched-types.rs:2:12
    |
 LL |     let b: &[u8] = include_str!("file.txt");
-   |            -----   ^^^^^^^^^^^^^^^^^^^^^^^^ expected `&[u8]`, found `&str`
+   |            -----   ------------------------ in this macro invocation
    |            |
    |            expected due to this
    |
diff --git a/tests/ui/issues/issue-28433.stderr b/tests/ui/issues/issue-28433.stderr
index 5fb8a89621c..0fa67e35f1d 100644
--- a/tests/ui/issues/issue-28433.stderr
+++ b/tests/ui/issues/issue-28433.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-28433.rs:2:5
    |
 LL |     pub Duck,
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: enum variants and their fields always share the visibility of the enum they are in
 
@@ -10,7 +10,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-28433.rs:5:5
    |
 LL |     pub(crate) Dove
-   |     ^^^^^^^^^^
+   |     ^^^^^^^^^^ help: remove the qualifier
    |
    = note: enum variants and their fields always share the visibility of the enum they are in
 
diff --git a/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.rs b/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.rs
new file mode 100644
index 00000000000..caae48dfd3b
--- /dev/null
+++ b/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.rs
@@ -0,0 +1,9 @@
+//@ edition:2021
+macro_rules! a {
+    ( ) => {
+        impl<'b> c for d {
+            e::<f'g> //~ ERROR prefix `f` is unknown
+        }
+    };
+}
+fn main() {}
diff --git a/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.stderr b/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.stderr
new file mode 100644
index 00000000000..ecce2c66504
--- /dev/null
+++ b/tests/ui/lexer/dont-ice-on-invalid-lifetime-in-macro-definition.stderr
@@ -0,0 +1,14 @@
+error: prefix `f` is unknown
+  --> $DIR/dont-ice-on-invalid-lifetime-in-macro-definition.rs:5:17
+   |
+LL |             e::<f'g>
+   |                 ^ unknown prefix
+   |
+   = note: prefixed identifiers and literals are reserved since Rust 2021
+help: consider inserting whitespace here
+   |
+LL |             e::<f 'g>
+   |                  +
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/lexer/lex-bad-str-literal-as-char-3.rs b/tests/ui/lexer/lex-bad-str-literal-as-char-3.rs
index 0ae227da5f1..52781d9c6d8 100644
--- a/tests/ui/lexer/lex-bad-str-literal-as-char-3.rs
+++ b/tests/ui/lexer/lex-bad-str-literal-as-char-3.rs
@@ -3,5 +3,6 @@
 //@[rust2021] edition:2021
 fn main() {
     println!('hello world');
-    //[rust2015,rust2018,rust2021]~^ ERROR unterminated character literal
+    //~^ ERROR unterminated character literal
+    //[rust2021]~| ERROR prefix `world` is unknown
 }
diff --git a/tests/ui/lexer/lex-bad-str-literal-as-char-3.rust2021.stderr b/tests/ui/lexer/lex-bad-str-literal-as-char-3.rust2021.stderr
index 06f12742667..4170560cfcb 100644
--- a/tests/ui/lexer/lex-bad-str-literal-as-char-3.rust2021.stderr
+++ b/tests/ui/lexer/lex-bad-str-literal-as-char-3.rust2021.stderr
@@ -1,3 +1,15 @@
+error: prefix `world` is unknown
+  --> $DIR/lex-bad-str-literal-as-char-3.rs:5:21
+   |
+LL |     println!('hello world');
+   |                     ^^^^^ unknown prefix
+   |
+   = note: prefixed identifiers and literals are reserved since Rust 2021
+help: if you meant to write a string literal, use double quotes
+   |
+LL |     println!("hello world");
+   |              ~           ~
+
 error[E0762]: unterminated character literal
   --> $DIR/lex-bad-str-literal-as-char-3.rs:5:26
    |
@@ -9,6 +21,6 @@ help: if you meant to write a string literal, use double quotes
 LL |     println!("hello world");
    |              ~           ~
 
-error: aborting due to 1 previous error
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0762`.
diff --git a/tests/ui/lexer/lex-bad-str-literal-as-char-4.rs b/tests/ui/lexer/lex-bad-str-literal-as-char-4.rs
new file mode 100644
index 00000000000..f0c7ad8f82b
--- /dev/null
+++ b/tests/ui/lexer/lex-bad-str-literal-as-char-4.rs
@@ -0,0 +1,9 @@
+//@edition:2021
+macro_rules! foo {
+    () => {
+        println!('hello world');
+        //~^ ERROR unterminated character literal
+        //~| ERROR prefix `world` is unknown
+    }
+}
+fn main() {}
diff --git a/tests/ui/lexer/lex-bad-str-literal-as-char-4.stderr b/tests/ui/lexer/lex-bad-str-literal-as-char-4.stderr
new file mode 100644
index 00000000000..af42b5b7f7b
--- /dev/null
+++ b/tests/ui/lexer/lex-bad-str-literal-as-char-4.stderr
@@ -0,0 +1,26 @@
+error: prefix `world` is unknown
+  --> $DIR/lex-bad-str-literal-as-char-4.rs:4:25
+   |
+LL |         println!('hello world');
+   |                         ^^^^^ unknown prefix
+   |
+   = note: prefixed identifiers and literals are reserved since Rust 2021
+help: if you meant to write a string literal, use double quotes
+   |
+LL |         println!("hello world");
+   |                  ~           ~
+
+error[E0762]: unterminated character literal
+  --> $DIR/lex-bad-str-literal-as-char-4.rs:4:30
+   |
+LL |         println!('hello world');
+   |                              ^^^
+   |
+help: if you meant to write a string literal, use double quotes
+   |
+LL |         println!("hello world");
+   |                  ~           ~
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0762`.
diff --git a/tests/ui/parser/assoc/assoc-static-semantic-fail.stderr b/tests/ui/parser/assoc/assoc-static-semantic-fail.stderr
index 8178bd22373..cc21df77353 100644
--- a/tests/ui/parser/assoc/assoc-static-semantic-fail.stderr
+++ b/tests/ui/parser/assoc/assoc-static-semantic-fail.stderr
@@ -138,7 +138,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/assoc-static-semantic-fail.rs:32:5
    |
 LL |     pub(crate) default static TD: u8;
-   |     ^^^^^^^^^^
+   |     ^^^^^^^^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -162,7 +162,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/assoc-static-semantic-fail.rs:47:5
    |
 LL |     pub default static TD: u8;
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/parser/default.stderr b/tests/ui/parser/default.stderr
index e6330f368d9..c420e5a774d 100644
--- a/tests/ui/parser/default.stderr
+++ b/tests/ui/parser/default.stderr
@@ -21,7 +21,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/default.rs:17:5
    |
 LL |     pub default fn foo<T: Default>() -> T {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/parser/trait-pub-assoc-const.stderr b/tests/ui/parser/trait-pub-assoc-const.stderr
index 436f6a3909c..1bace786b21 100644
--- a/tests/ui/parser/trait-pub-assoc-const.stderr
+++ b/tests/ui/parser/trait-pub-assoc-const.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/trait-pub-assoc-const.rs:2:5
    |
 LL |     pub const Foo: u32;
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/parser/trait-pub-assoc-ty.stderr b/tests/ui/parser/trait-pub-assoc-ty.stderr
index 279e3a95354..28e05bdc630 100644
--- a/tests/ui/parser/trait-pub-assoc-ty.stderr
+++ b/tests/ui/parser/trait-pub-assoc-ty.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/trait-pub-assoc-ty.rs:2:5
    |
 LL |     pub type Foo;
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/parser/trait-pub-method.stderr b/tests/ui/parser/trait-pub-method.stderr
index ee8b6f7cb62..cc1ba0eaaea 100644
--- a/tests/ui/parser/trait-pub-method.stderr
+++ b/tests/ui/parser/trait-pub-method.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/trait-pub-method.rs:2:5
    |
 LL |     pub fn foo();
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/issue-113860-1.stderr b/tests/ui/privacy/issue-113860-1.stderr
index c33ce26f0f6..c05452fb51c 100644
--- a/tests/ui/privacy/issue-113860-1.stderr
+++ b/tests/ui/privacy/issue-113860-1.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-113860-1.rs:12:5
    |
 LL |     pub(self) fn fun() {}
-   |     ^^^^^^^^^
+   |     ^^^^^^^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/issue-113860-2.stderr b/tests/ui/privacy/issue-113860-2.stderr
index 6748bc27668..c53c490ca1e 100644
--- a/tests/ui/privacy/issue-113860-2.stderr
+++ b/tests/ui/privacy/issue-113860-2.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-113860-2.rs:12:5
    |
 LL |     pub(self) type X = Self;
-   |     ^^^^^^^^^
+   |     ^^^^^^^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/issue-113860.stderr b/tests/ui/privacy/issue-113860.stderr
index 3204f4ff916..d813b740ac5 100644
--- a/tests/ui/privacy/issue-113860.stderr
+++ b/tests/ui/privacy/issue-113860.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-113860.rs:12:5
    |
 LL |     pub(self) const X: u32 = 3;
-   |     ^^^^^^^^^
+   |     ^^^^^^^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/issue-29161.stderr b/tests/ui/privacy/issue-29161.stderr
index 1a6c80499a1..f8911cb09c1 100644
--- a/tests/ui/privacy/issue-29161.stderr
+++ b/tests/ui/privacy/issue-29161.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/issue-29161.rs:5:9
    |
 LL |         pub fn default() -> A {
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/priv-in-bad-locations.stderr b/tests/ui/privacy/priv-in-bad-locations.stderr
index 70dab5bfe13..93a0eabb914 100644
--- a/tests/ui/privacy/priv-in-bad-locations.stderr
+++ b/tests/ui/privacy/priv-in-bad-locations.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/priv-in-bad-locations.rs:1:1
    |
 LL | pub extern "C" {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual foreign items instead
 
@@ -10,7 +10,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/priv-in-bad-locations.rs:11:1
    |
 LL | pub impl B {}
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual impl items instead
 
@@ -18,7 +18,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/priv-in-bad-locations.rs:13:1
    |
 LL | pub impl A for B {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -26,7 +26,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/priv-in-bad-locations.rs:14:5
    |
 LL |     pub fn foo(&self) {}
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
diff --git a/tests/ui/privacy/privacy-sanity.stderr b/tests/ui/privacy/privacy-sanity.stderr
index a537f8c1901..0acb05cbaba 100644
--- a/tests/ui/privacy/privacy-sanity.stderr
+++ b/tests/ui/privacy/privacy-sanity.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:13:1
    |
 LL | pub impl Tr for S {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -10,7 +10,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:14:5
    |
 LL |     pub fn f() {}
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -18,7 +18,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:15:5
    |
 LL |     pub const C: u8 = 0;
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -26,7 +26,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:16:5
    |
 LL |     pub type T = u8;
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -34,7 +34,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:18:1
    |
 LL | pub impl S {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual impl items instead
 
@@ -42,7 +42,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:23:1
    |
 LL | pub extern "C" {
-   | ^^^
+   | ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual foreign items instead
 
@@ -50,7 +50,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:39:5
    |
 LL |     pub impl Tr for S {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -58,7 +58,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:40:9
    |
 LL |         pub fn f() {}
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -66,7 +66,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:41:9
    |
 LL |         pub const C: u8 = 0;
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -74,7 +74,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:42:9
    |
 LL |         pub type T = u8;
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -82,7 +82,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:44:5
    |
 LL |     pub impl S {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual impl items instead
 
@@ -90,7 +90,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:49:5
    |
 LL |     pub extern "C" {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual foreign items instead
 
@@ -98,7 +98,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:68:5
    |
 LL |     pub impl Tr for S {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -106,7 +106,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:69:9
    |
 LL |         pub fn f() {}
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -114,7 +114,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:70:9
    |
 LL |         pub const C: u8 = 0;
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -122,7 +122,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:71:9
    |
 LL |         pub type T = u8;
-   |         ^^^
+   |         ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -130,7 +130,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:73:5
    |
 LL |     pub impl S {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual impl items instead
 
@@ -138,7 +138,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/privacy-sanity.rs:78:5
    |
 LL |     pub extern "C" {
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: place qualifiers on individual foreign items instead
 
diff --git a/tests/ui/privacy/useless-pub.stderr b/tests/ui/privacy/useless-pub.stderr
index 73497e3fed5..7d064c12a09 100644
--- a/tests/ui/privacy/useless-pub.stderr
+++ b/tests/ui/privacy/useless-pub.stderr
@@ -2,7 +2,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/useless-pub.rs:8:5
    |
 LL |     pub fn foo(&self) {}
-   |     ^^^
+   |     ^^^ help: remove the qualifier
    |
    = note: trait items always share the visibility of their trait
 
@@ -10,7 +10,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/useless-pub.rs:12:10
    |
 LL |     V1 { pub f: i32 },
-   |          ^^^
+   |          ^^^ help: remove the qualifier
    |
    = note: enum variants and their fields always share the visibility of the enum they are in
 
@@ -18,7 +18,7 @@ error[E0449]: visibility qualifiers are not permitted here
   --> $DIR/useless-pub.rs:13:8
    |
 LL |     V2(pub i32),
-   |        ^^^
+   |        ^^^ help: remove the qualifier
    |
    = note: enum variants and their fields always share the visibility of the enum they are in