diff options
| -rw-r--r-- | compiler/rustc_passes/messages.ftl | 6 | ||||
| -rw-r--r-- | compiler/rustc_passes/src/check_attr.rs | 12 | ||||
| -rw-r--r-- | compiler/rustc_passes/src/errors.rs | 4 | ||||
| -rw-r--r-- | tests/codegen/align-fn.rs | 40 | ||||
| -rw-r--r-- | tests/ui/attributes/invalid-repr.rs | 5 | ||||
| -rw-r--r-- | tests/ui/attributes/invalid-repr.stderr | 12 |
6 files changed, 71 insertions, 8 deletions
diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index b354dca7cc4..055682a1509 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -627,9 +627,9 @@ passes_attr_application_struct_enum_union = attribute should be applied to a struct, enum, or union .label = not a struct, enum, or union -passes_attr_application_struct_enum_function_union = - attribute should be applied to a struct, enum, function, or union - .label = not a struct, enum, function, or union +passes_attr_application_struct_enum_function_method_union = + attribute should be applied to a struct, enum, function, associated function, or union + .label = not a struct, enum, function, associated function, or union passes_transparent_incompatible = transparent {$target} cannot have other repr hints diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 80a93da2b45..085a28626ea 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -1728,7 +1728,9 @@ impl CheckAttrVisitor<'_> { } } sym::align => { - if let (Target::Fn, false) = (target, self.tcx.features().fn_align) { + if let (Target::Fn | Target::Method(MethodKind::Inherent), false) = + (target, self.tcx.features().fn_align) + { feature_err( &self.tcx.sess.parse_sess, sym::fn_align, @@ -1739,10 +1741,14 @@ impl CheckAttrVisitor<'_> { } match target { - Target::Struct | Target::Union | Target::Enum | Target::Fn => continue, + Target::Struct + | Target::Union + | Target::Enum + | Target::Fn + | Target::Method(_) => continue, _ => { self.tcx.sess.emit_err( - errors::AttrApplication::StructEnumFunctionUnion { + errors::AttrApplication::StructEnumFunctionMethodUnion { hint_span: hint.span(), span, }, diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 139ba8c9677..e8603b3a2f1 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -1355,8 +1355,8 @@ pub enum AttrApplication { #[label] span: Span, }, - #[diag(passes_attr_application_struct_enum_function_union, code = "E0517")] - StructEnumFunctionUnion { + #[diag(passes_attr_application_struct_enum_function_method_union, code = "E0517")] + StructEnumFunctionMethodUnion { #[primary_span] hint_span: Span, #[label] diff --git a/tests/codegen/align-fn.rs b/tests/codegen/align-fn.rs index c5886cf2808..f3cf614e185 100644 --- a/tests/codegen/align-fn.rs +++ b/tests/codegen/align-fn.rs @@ -7,3 +7,43 @@ #[no_mangle] #[repr(align(16))] pub fn fn_align() {} + +pub struct A; + +impl A { + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + pub fn method_align(self) {} + + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + pub fn associated_fn() {} +} + +trait T: Sized { + fn trait_fn() {} + + // CHECK: align 32 + #[repr(align(32))] + fn trait_method(self) {} +} + +impl T for A { + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + fn trait_fn() {} + + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + fn trait_method(self) {} +} + +impl T for () {} + +pub fn foo() { + ().trait_method(); +} diff --git a/tests/ui/attributes/invalid-repr.rs b/tests/ui/attributes/invalid-repr.rs new file mode 100644 index 00000000000..10a487c127e --- /dev/null +++ b/tests/ui/attributes/invalid-repr.rs @@ -0,0 +1,5 @@ +#[repr(align(16))] +//~^ ERROR attribute should be applied to a struct, enum, function, associated function, or union +pub type Foo = i32; + +fn main() {} diff --git a/tests/ui/attributes/invalid-repr.stderr b/tests/ui/attributes/invalid-repr.stderr new file mode 100644 index 00000000000..98a6a24b3c4 --- /dev/null +++ b/tests/ui/attributes/invalid-repr.stderr @@ -0,0 +1,12 @@ +error[E0517]: attribute should be applied to a struct, enum, function, associated function, or union + --> $DIR/invalid-repr.rs:1:8 + | +LL | #[repr(align(16))] + | ^^^^^^^^^ +LL | +LL | pub type Foo = i32; + | ------------------- not a struct, enum, function, associated function, or union + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0517`. |