[Bug target/115562] RISC-V: ICE because of reused fndecl with target-arch attribute

[cmuellner at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115562

--- Comment #1 from Christoph Müllner <cmuellner at gcc dot gnu.org> ---
This issue was discovered while analyzing a build issue with a patchset
to introduce optimized string processing routines for RISC-V in glibc.

See also:
  https://sourceware.org/pipermail/libc-alpha/2024-June/157627.html