Re: [PATCH] PE/COFF: Implement visibility attribute via .drectve

On 7/31/26 20:08, Oleg Tolmatcev wrote:
> On PE/COFF targets (MinGW, Cygwin), the visibility attribute was
> previously ignored with a warning.  This patch makes it functional
> by emitting -exclude-symbols directives into the .drectve section,
> matching Clang's behavior.  The GNU linker already reads and
> respects these directives during auto-export, so hidden/internal
> symbols are now correctly excluded from DLL exports.
> 

Please also test for __stdcall and __fastcall for x86 32-bit targets and 
improve testcase to cover it.

Thanks.