Clarify that Rust is default repr

Centri3 · Centri3 · commit 1f7bad0d128c · 2023-08-20T13:22:39.000Z
diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl
@@ -706,7 +706,7 @@ passes_unrecognized_field =
 
 passes_unrecognized_repr_hint =
     unrecognized representation hint
-    .help = valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+    .help = valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 passes_unused =
     unused attribute
diff --git a/tests/ui/issues/issue-43988.stderr b/tests/ui/issues/issue-43988.stderr
@@ -32,15 +32,15 @@ error[E0552]: unrecognized representation hint
 LL |     #[repr(nothing)]
    |            ^^^^^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error[E0552]: unrecognized representation hint
   --> $DIR/issue-43988.rs:18:12
    |
 LL |     #[repr(something_not_real)]
    |            ^^^^^^^^^^^^^^^^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error[E0518]: attribute should be applied to function or closure
   --> $DIR/issue-43988.rs:30:5
diff --git a/tests/ui/repr/invalid_repr_list_help.stderr b/tests/ui/repr/invalid_repr_list_help.stderr
@@ -4,31 +4,31 @@ error[E0552]: unrecognized representation hint
 LL | #[repr(uwu)]
    |        ^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error[E0552]: unrecognized representation hint
   --> $DIR/invalid_repr_list_help.rs:6:8
    |
 LL | #[repr(uwu = "a")]
    |        ^^^^^^^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error[E0552]: unrecognized representation hint
   --> $DIR/invalid_repr_list_help.rs:9:8
    |
 LL | #[repr(uwu(4))]
    |        ^^^^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error[E0552]: unrecognized representation hint
   --> $DIR/invalid_repr_list_help.rs:14:8
    |
 LL | #[repr(uwu, u8)]
    |        ^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 warning: unknown `doc` attribute `owo`
   --> $DIR/invalid_repr_list_help.rs:20:7
@@ -46,7 +46,7 @@ error[E0552]: unrecognized representation hint
 LL | #[repr(uwu)]
    |        ^^^
    |
-   = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+   = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
 
 error: aborting due to 5 previous errors; 1 warning emitted
 

Original file line number	Diff line number	Diff line change
`@@ -32,15 +32,15 @@ error[E0552]: unrecognized representation hint`
`32`	`32`	`LL \| #[repr(nothing)]`
`33`	`33`	`\| ^^^^^^^`
`34`	`34`	`\|`
`35`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`35`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`36`	`36`
`37`	`37`	`error[E0552]: unrecognized representation hint`
`38`	`38`	`--> $DIR/issue-43988.rs:18:12`
`39`	`39`	`\|`
`40`	`40`	`LL \| #[repr(something_not_real)]`
`41`	`41`	`\| ^^^^^^^^^^^^^^^^^^`
`42`	`42`	`\|`
`43`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`43`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`44`	`44`
`45`	`45`	`error[E0518]: attribute should be applied to function or closure`
`46`	`46`	`--> $DIR/issue-43988.rs:30:5`
Original file line number	Diff line number	Diff line change
`@@ -4,31 +4,31 @@ error[E0552]: unrecognized representation hint`
`4`	`4`	`LL \| #[repr(uwu)]`
`5`	`5`	`\| ^^^`
`6`	`6`	`\|`
`7`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`7`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`8`	`8`
`9`	`9`	`error[E0552]: unrecognized representation hint`
`10`	`10`	`--> $DIR/invalid_repr_list_help.rs:6:8`
`11`	`11`	`\|`
`12`	`12`	`LL \| #[repr(uwu = "a")]`
`13`	`13`	`\| ^^^^^^^^^`
`14`	`14`	`\|`
`15`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`15`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`16`	`16`
`17`	`17`	`error[E0552]: unrecognized representation hint`
`18`	`18`	`--> $DIR/invalid_repr_list_help.rs:9:8`
`19`	`19`	`\|`
`20`	`20`	`LL \| #[repr(uwu(4))]`
`21`	`21`	`\| ^^^^^^`
`22`	`22`	`\|`
`23`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`23`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`24`	`24`
`25`	`25`	`error[E0552]: unrecognized representation hint`
`26`	`26`	`--> $DIR/invalid_repr_list_help.rs:14:8`
`27`	`27`	`\|`
`28`	`28`	`LL \| #[repr(uwu, u8)]`
`29`	`29`	`\| ^^^`
`30`	`30`	`\|`
`31`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`31`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`32`	`32`
`33`	`33`	warning: unknown `doc` attribute `owo`
`34`	`34`	`--> $DIR/invalid_repr_list_help.rs:20:7`
`@@ -46,7 +46,7 @@ error[E0552]: unrecognized representation hint`
`46`	`46`	`LL \| #[repr(uwu)]`
`47`	`47`	`\| ^^^`
`48`	`48`	`\|`
`49`		- = help: valid reprs are `Rust`, `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
	`49`	+ = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
`50`	`50`
`51`	`51`	`error: aborting due to 5 previous errors; 1 warning emitted`
`52`	`52`