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

[dprokoptsev at gmail dot com via Gcc-bugs]

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

--- Comment #5 from Dmitry Prokoptsev <dprokoptsev at gmail dot com> ---
Created attachment 52029
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52029&action=edit
Build fix for alternative implementation v2.