[Bug lto/94150] Improve LTO diagnosis for LTO triggered warnings/error: print source.o or source.a(lib.o) when printing location

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94150

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
You can probably use -fdump-ipa-cgraph where you will see object files:
...
  Read from file: pr91307-1.o
...