fix issue 132391

Author: folkertdev

Diff for: tests/crashes/132391.rs

@@ -2,3 +2,8 @@
 
 #[repr(align(16))] //~ ERROR `repr(align)` attributes on functions are unstable
 fn requires_alignment() {}
+
+trait MyTrait {
+    #[repr(align)] //~ ERROR `repr(align)` attributes on functions are unstable
+    fn myfun();
+}

Diff for: tests/ui/feature-gates/feature-gate-fn_align.rs

@@ -8,6 +8,16 @@ LL | #[repr(align(16))]
    = help: add `#![feature(fn_align)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: aborting due to 1 previous error
+error[E0658]: `repr(align)` attributes on functions are unstable
+  --> $DIR/feature-gate-fn_align.rs:7:12
+   |
+LL |     #[repr(align)]
+   |            ^^^^^
+   |
+   = note: see issue #82232 <https://github.com/rust-lang/rust/issues/82232> for more information
+   = help: add `#![feature(fn_align)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0658`.