Yes, clang getting support for that GNU extension is why LLVM is getting/has gotten support for per-function compiler options, however, rustc is not GCC, nor do we use the GCC backend, so it unfortunately isn't immediately helpful.
Yes, clang getting support for that GNU extension is why LLVM is getting/has gotten support for per-function compiler options, however, rustc is not GCC, nor do we use the GCC backend, so it unfortunately isn't immediately helpful.