[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 #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
As I said in Bug 107632 comment 2:

I'm kinda tempted to just disable the new optimization on these targets, the
handling of compat facets for different float ABIs is impossible to get right.