[Bug libstdc++/103755] {has,use}_facet() and iostream constructor performance

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103755

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This causes an ABI regression on powerpc64le:

FAIL: libstdc++-abi/abi_check