[E0535] Unknown argument given to inline attribute

[MahadMuhammad]

Unknown argument given to inline attribute. E0535

The inline attribute only supports two arguments:

• always
• never

All other arguments given to the inline attribute will always return this error.

Running testcases:

• gcc/testsuite/rust/compile/inline_2.rs

➜  gccrs-build gcc/crab1 /home/mahad/Desktop/mahad/gccrs/gcc/testsuite/rust/compile/inline_2.rs
/home/mahad/Desktop/mahad/gccrs/gcc/testsuite/rust/compile/inline_2.rs:2:3: error: invalid argument, ‘inline’ attribute only accepts ‘always’ or ‘never’ [E0535]
    2 | #[inline(A)] // { dg-error "unknown inline option" }
      |   ^~~~~~
      |   unknown inline option
/home/mahad/Desktop/mahad/gccrs/gcc/testsuite/rust/compile/inline_2.rs:5:3: error: invalid number of arguments
    5 | #[inline(A, B)] // { dg-error "invalid number of arguments" }
      |   ^~~~~~

---

gcc/rust/ChangeLog:

* backend/rust-compile-base.cc (HIRCompileBase::handle_inline_attribute_on_fndecl): Added rich_location & error code.

gcc/testsuite/ChangeLog:

* rust/compile/inline_2.rs: Added new message.

[philberty]

nice one using the fixit

[philberty]

LGTM