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-rw-r--r--src/test/rustdoc-js-std/asrawfd.js6
-rw-r--r--src/test/ui/error-codes/E0585.stderr2
-rw-r--r--src/test/ui/generics/issue-94923.rs49
-rw-r--r--src/test/ui/parser/doc-after-struct-field.rs4
-rw-r--r--src/test/ui/parser/doc-after-struct-field.stderr4
-rw-r--r--src/test/ui/parser/doc-before-extern-rbrace.stderr2
-rw-r--r--src/test/ui/parser/doc-before-fn-rbrace.rs2
-rw-r--r--src/test/ui/parser/doc-before-fn-rbrace.stderr2
-rw-r--r--src/test/ui/parser/doc-before-rbrace.rs2
-rw-r--r--src/test/ui/parser/doc-before-rbrace.stderr2
-rw-r--r--src/test/ui/parser/doc-before-semi.rs2
-rw-r--r--src/test/ui/parser/doc-before-semi.stderr2
-rw-r--r--src/test/ui/parser/doc-before-struct-rbrace-1.rs2
-rw-r--r--src/test/ui/parser/doc-before-struct-rbrace-1.stderr2
-rw-r--r--src/test/ui/parser/doc-before-struct-rbrace-2.rs2
-rw-r--r--src/test/ui/parser/doc-before-struct-rbrace-2.stderr2
-rw-r--r--src/test/ui/parser/doc-inside-trait-item.stderr2
-rw-r--r--src/test/ui/parser/issues/issue-34222-1.stderr2
-rw-r--r--src/test/ui/parser/issues/issue-48636.stderr2
-rw-r--r--src/test/ui/regions/issue-102374.rs20
-rw-r--r--src/test/ui/regions/issue-102374.stderr14
21 files changed, 105 insertions, 22 deletions
diff --git a/src/test/rustdoc-js-std/asrawfd.js b/src/test/rustdoc-js-std/asrawfd.js
index fd228a59099..369a34f9c6e 100644
--- a/src/test/rustdoc-js-std/asrawfd.js
+++ b/src/test/rustdoc-js-std/asrawfd.js
@@ -6,9 +6,9 @@ const EXPECTED = {
     'others': [
         // Reproduction test for https://github.com/rust-lang/rust/issues/78724
         // Validate that type alias methods get the correct path.
-        { 'path': 'std::os::unix::io::AsRawFd', 'name': 'as_raw_fd' },
-        { 'path': 'std::os::wasi::io::AsRawFd', 'name': 'as_raw_fd' },
+        { 'path': 'std::os::fd::AsRawFd', 'name': 'as_raw_fd' },
+        { 'path': 'std::os::fd::AsRawFd', 'name': 'as_raw_fd' },
         { 'path': 'std::os::linux::process::PidFd', 'name': 'as_raw_fd' },
-        { 'path': 'std::os::unix::io::RawFd', 'name': 'as_raw_fd' },
+        { 'path': 'std::os::fd::RawFd', 'name': 'as_raw_fd' },
     ],
 };
diff --git a/src/test/ui/error-codes/E0585.stderr b/src/test/ui/error-codes/E0585.stderr
index 7a31c4896ee..53c82fb416b 100644
--- a/src/test/ui/error-codes/E0585.stderr
+++ b/src/test/ui/error-codes/E0585.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     /// Hello! I'm useless...
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/generics/issue-94923.rs b/src/test/ui/generics/issue-94923.rs
new file mode 100644
index 00000000000..d337a5dffc9
--- /dev/null
+++ b/src/test/ui/generics/issue-94923.rs
@@ -0,0 +1,49 @@
+// run-pass
+// regression test for issue #94923
+// min-llvm-version: 15.0.0
+// compile-flags: -C opt-level=3
+
+fn f0<T>(mut x: usize) -> usize {
+    for _ in 0..1000 {
+        x *= 123;
+        x %= 99
+    }
+    x + 321 // function composition is not just longer iteration
+}
+
+fn f1<T>(x: usize) -> usize {
+    f0::<(i8, T)>(f0::<(u8, T)>(x))
+}
+
+fn f2<T>(x: usize) -> usize {
+    f1::<(i8, T)>(f1::<(u8, T)>(x))
+}
+
+fn f3<T>(x: usize) -> usize {
+    f2::<(i8, T)>(f2::<(u8, T)>(x))
+}
+
+fn f4<T>(x: usize) -> usize {
+    f3::<(i8, T)>(f3::<(u8, T)>(x))
+}
+
+fn f5<T>(x: usize) -> usize {
+    f4::<(i8, T)>(f4::<(u8, T)>(x))
+}
+
+fn f6<T>(x: usize) -> usize {
+    f5::<(i8, T)>(f5::<(u8, T)>(x))
+}
+
+fn f7<T>(x: usize) -> usize {
+    f6::<(i8, T)>(f6::<(u8, T)>(x))
+}
+
+fn f8<T>(x: usize) -> usize {
+    f7::<(i8, T)>(f7::<(u8, T)>(x))
+}
+
+fn main() {
+    let y = f8::<()>(1);
+    assert_eq!(y, 348);
+}
diff --git a/src/test/ui/parser/doc-after-struct-field.rs b/src/test/ui/parser/doc-after-struct-field.rs
index 5b6f0803603..03faa6733e2 100644
--- a/src/test/ui/parser/doc-after-struct-field.rs
+++ b/src/test/ui/parser/doc-after-struct-field.rs
@@ -1,13 +1,13 @@
 struct X {
     a: u8 /** document a */,
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
 
 struct Y {
     a: u8 /// document a
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
 
 fn main() {
diff --git a/src/test/ui/parser/doc-after-struct-field.stderr b/src/test/ui/parser/doc-after-struct-field.stderr
index e3b32a7f035..ae177f1a2d1 100644
--- a/src/test/ui/parser/doc-after-struct-field.stderr
+++ b/src/test/ui/parser/doc-after-struct-field.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     a: u8 /** document a */,
    |           ^^^^^^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error[E0585]: found a documentation comment that doesn't document anything
   --> $DIR/doc-after-struct-field.rs:8:11
@@ -12,7 +12,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     a: u8 /// document a
    |           ^^^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/parser/doc-before-extern-rbrace.stderr b/src/test/ui/parser/doc-before-extern-rbrace.stderr
index 0edceb268a7..8fa12ec261e 100644
--- a/src/test/ui/parser/doc-before-extern-rbrace.stderr
+++ b/src/test/ui/parser/doc-before-extern-rbrace.stderr
@@ -4,7 +4,7 @@ error[E0584]: found a documentation comment that doesn't document anything
 LL |     /// hi
    |     ^^^^^^ this doc comment doesn't document anything
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-before-fn-rbrace.rs b/src/test/ui/parser/doc-before-fn-rbrace.rs
index eb355136f1e..c8502164854 100644
--- a/src/test/ui/parser/doc-before-fn-rbrace.rs
+++ b/src/test/ui/parser/doc-before-fn-rbrace.rs
@@ -1,5 +1,5 @@
 fn main() {
     /// document
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
diff --git a/src/test/ui/parser/doc-before-fn-rbrace.stderr b/src/test/ui/parser/doc-before-fn-rbrace.stderr
index 56241de7092..6ea68e42b4c 100644
--- a/src/test/ui/parser/doc-before-fn-rbrace.stderr
+++ b/src/test/ui/parser/doc-before-fn-rbrace.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     /// document
    |     ^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-before-rbrace.rs b/src/test/ui/parser/doc-before-rbrace.rs
index 8ff946344ae..570306f2cdf 100644
--- a/src/test/ui/parser/doc-before-rbrace.rs
+++ b/src/test/ui/parser/doc-before-rbrace.rs
@@ -1,5 +1,5 @@
 fn main() {
     println!("Hi"); /// hi
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
diff --git a/src/test/ui/parser/doc-before-rbrace.stderr b/src/test/ui/parser/doc-before-rbrace.stderr
index 55719cf6411..4d4741dfe59 100644
--- a/src/test/ui/parser/doc-before-rbrace.stderr
+++ b/src/test/ui/parser/doc-before-rbrace.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     println!("Hi"); /// hi
    |                     ^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-before-semi.rs b/src/test/ui/parser/doc-before-semi.rs
index 405a7e1e2a3..444b5874ea2 100644
--- a/src/test/ui/parser/doc-before-semi.rs
+++ b/src/test/ui/parser/doc-before-semi.rs
@@ -1,6 +1,6 @@
 fn main() {
     /// hi
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
     ;
 }
diff --git a/src/test/ui/parser/doc-before-semi.stderr b/src/test/ui/parser/doc-before-semi.stderr
index e6bade18d0a..a879e13ffbd 100644
--- a/src/test/ui/parser/doc-before-semi.stderr
+++ b/src/test/ui/parser/doc-before-semi.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     /// hi
    |     ^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-before-struct-rbrace-1.rs b/src/test/ui/parser/doc-before-struct-rbrace-1.rs
index 3866a3105c2..0c8d90c3b03 100644
--- a/src/test/ui/parser/doc-before-struct-rbrace-1.rs
+++ b/src/test/ui/parser/doc-before-struct-rbrace-1.rs
@@ -2,7 +2,7 @@ struct X {
     a: u8,
     /// document
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
 
 fn main() {
diff --git a/src/test/ui/parser/doc-before-struct-rbrace-1.stderr b/src/test/ui/parser/doc-before-struct-rbrace-1.stderr
index 92b5133b74d..94934f734b3 100644
--- a/src/test/ui/parser/doc-before-struct-rbrace-1.stderr
+++ b/src/test/ui/parser/doc-before-struct-rbrace-1.stderr
@@ -7,7 +7,7 @@ LL |     a: u8,
 LL |     /// document
    |     ^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-before-struct-rbrace-2.rs b/src/test/ui/parser/doc-before-struct-rbrace-2.rs
index dda138f1a88..2b2aadf7984 100644
--- a/src/test/ui/parser/doc-before-struct-rbrace-2.rs
+++ b/src/test/ui/parser/doc-before-struct-rbrace-2.rs
@@ -1,7 +1,7 @@
 struct X {
     a: u8 /// document
     //~^ ERROR found a documentation comment that doesn't document anything
-    //~| HELP maybe a comment was intended
+    //~| HELP if a comment was intended use `//`
 }
 
 fn main() {
diff --git a/src/test/ui/parser/doc-before-struct-rbrace-2.stderr b/src/test/ui/parser/doc-before-struct-rbrace-2.stderr
index b25ccab79f9..6b5c8c1f8b5 100644
--- a/src/test/ui/parser/doc-before-struct-rbrace-2.stderr
+++ b/src/test/ui/parser/doc-before-struct-rbrace-2.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     a: u8 /// document
    |           ^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/doc-inside-trait-item.stderr b/src/test/ui/parser/doc-inside-trait-item.stderr
index 246255a0a46..900124adcc3 100644
--- a/src/test/ui/parser/doc-inside-trait-item.stderr
+++ b/src/test/ui/parser/doc-inside-trait-item.stderr
@@ -4,7 +4,7 @@ error[E0584]: found a documentation comment that doesn't document anything
 LL |     /// empty doc
    |     ^^^^^^^^^^^^^ this doc comment doesn't document anything
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/issues/issue-34222-1.stderr b/src/test/ui/parser/issues/issue-34222-1.stderr
index 0799656b06b..b451484ba22 100644
--- a/src/test/ui/parser/issues/issue-34222-1.stderr
+++ b/src/test/ui/parser/issues/issue-34222-1.stderr
@@ -4,7 +4,7 @@ error[E0585]: found a documentation comment that doesn't document anything
 LL |     /// comment
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/issues/issue-48636.stderr b/src/test/ui/parser/issues/issue-48636.stderr
index 1a6e4cfd2b2..6177870d1ce 100644
--- a/src/test/ui/parser/issues/issue-48636.stderr
+++ b/src/test/ui/parser/issues/issue-48636.stderr
@@ -8,7 +8,7 @@ LL |     x: u8
 LL |     /// The ID of the parent core
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = help: doc comments must come before what they document, maybe a comment was intended with `//`?
+   = help: doc comments must come before what they document, if a comment was intended use `//`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/regions/issue-102374.rs b/src/test/ui/regions/issue-102374.rs
new file mode 100644
index 00000000000..e0a1164211a
--- /dev/null
+++ b/src/test/ui/regions/issue-102374.rs
@@ -0,0 +1,20 @@
+use std::cell::Cell;
+
+#[rustfmt::skip]
+fn f(
+    f: for<'a, 'b, 'c, 'd, 'e, 'f, 'g,
+           'h, 'i, 'j, 'k, 'l, 'm, 'n,
+           'o, 'p, 'q, 'r, 's, 't, 'u,
+           'v, 'w, 'x, 'y, 'z, 'z0>
+        fn(Cell<(&   i32, &'a i32, &'b i32, &'c i32, &'d i32,
+                 &'e i32, &'f i32, &'g i32, &'h i32, &'i i32,
+                 &'j i32, &'k i32, &'l i32, &'m i32, &'n i32,
+                 &'o i32, &'p i32, &'q i32, &'r i32, &'s i32,
+                 &'t i32, &'u i32, &'v i32, &'w i32, &'x i32,
+                 &'y i32, &'z i32, &'z0 i32)>),
+) -> i32 {
+    f
+    //~^ ERROR mismatched types
+}
+
+fn main() {}
diff --git a/src/test/ui/regions/issue-102374.stderr b/src/test/ui/regions/issue-102374.stderr
new file mode 100644
index 00000000000..31b855c36be
--- /dev/null
+++ b/src/test/ui/regions/issue-102374.stderr
@@ -0,0 +1,14 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-102374.rs:16:5
+   |
+LL | ) -> i32 {
+   |      --- expected `i32` because of return type
+LL |     f
+   |     ^ expected `i32`, found fn pointer
+   |
+   = note:    expected type `i32`
+           found fn pointer `for<'z1, 'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'l, 'm, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x, 'y, 'z, 'z0> fn(Cell<(&'z1 i32, &'a i32, &'b i32, &'c i32, &'d i32, &'e i32, &'f i32, &'g i32, &'h i32, &'i i32, &'j i32, &'k i32, &'l i32, &'m i32, &'n i32, &'o i32, &'p i32, &'q i32, &'r i32, &'s i32, &'t i32, &'u i32, &'v i32, &'w i32, &'x i32, &'y i32, &'z i32, &'z0 i32)>)`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.