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| author | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-10-28 21:35:56 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-28 21:35:56 +0100 |
| commit | eec3a9c4af5067c37f5b681599a48b4e21098260 (patch) | |
| tree | f1070368ea3f32adf4e417f4cf1063a6e64ea758 | |
| parent | 8d78bf6b273848d17da8f5c92162c6a6b9b10dfd (diff) | |
| parent | 42a805e4d2b057f58f5ad72b35afaee1bf8358ef (diff) | |
| download | rust-eec3a9c4af5067c37f5b681599a48b4e21098260.tar.gz rust-eec3a9c4af5067c37f5b681599a48b4e21098260.zip | |
Rollup merge of #65563 - GuillaumeGomez:long-err-explanation-E0587, r=Dylan-DPC
Add long error explanation for E0587 Part of #61137. r? @kinnison
| -rw-r--r-- | src/librustc_typeck/error_codes.rs | 20 | ||||
| -rw-r--r-- | src/test/ui/conflicting-repr-hints.stderr | 3 |
2 files changed, 21 insertions, 2 deletions
diff --git a/src/librustc_typeck/error_codes.rs b/src/librustc_typeck/error_codes.rs index ae67f54ac12..248b687c31c 100644 --- a/src/librustc_typeck/error_codes.rs +++ b/src/librustc_typeck/error_codes.rs @@ -3891,6 +3891,25 @@ details. [issue #33685]: https://github.com/rust-lang/rust/issues/33685 "##, +E0587: r##" +A type has both `packed` and `align` representation hints. + +Erroneous code example: + +```compile_fail,E0587 +#[repr(packed, align(8))] // error! +struct Umbrella(i32); +``` + +You cannot use `packed` and `align` hints on a same type. If you want to pack a +type to a given size, you should provide a size to packed: + +``` +#[repr(packed)] // ok! +struct Umbrella(i32); +``` +"##, + E0588: r##" A type with `packed` representation hint has a field with `align` representation hint. @@ -5098,7 +5117,6 @@ struct B<const X: A>; // ok! // E0563, // cannot determine a type for this `impl Trait` removed in 6383de15 // E0564, // only named lifetimes are allowed in `impl Trait`, // but `{}` was found in the type `{}` - E0587, // type has conflicting packed and align representation hints // E0611, // merged into E0616 // E0612, // merged into E0609 // E0613, // Removed (merged with E0609) diff --git a/src/test/ui/conflicting-repr-hints.stderr b/src/test/ui/conflicting-repr-hints.stderr index 832f5c3ac2b..414c15f93bc 100644 --- a/src/test/ui/conflicting-repr-hints.stderr +++ b/src/test/ui/conflicting-repr-hints.stderr @@ -66,4 +66,5 @@ LL | | } error: aborting due to 8 previous errors -For more information about this error, try `rustc --explain E0566`. +Some errors have detailed explanations: E0566, E0587. +For more information about an error, try `rustc --explain E0566`. |