util/attributes: Error on #[repr] applied to functions #4355
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The #[repr] attribute is only valid for structs, enums, and unions. Applying it to a function is invalid and should result in an error. This patch adds a check in the attribute visitor to reject #[repr] on functions, matching rustc behavior. Fixes Rust-GCC#4232 gcc/rust/ChangeLog: * util/rust-attributes.cc: Emit error for #[repr] on functions. gcc/testsuite/ChangeLog: * rust/compile/repr_on_function.rs: New test. Signed-off-by: Jayant Chauhan <[email protected]>
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The #[repr] attribute is only valid for structs, enums, and unions. Applying it to a function is invalid and should result in an error. This patch adds a check in the attribute visitor to reject #[repr] on functions, matching rustc behavior.
Fixes #4232
gcc/rust/ChangeLog:
gcc/testsuite/ChangeLog: