[Bug c++/82242] x86_64 bad optimization with -march

[guillaume at morinfr dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82242

--- Comment #1 from Guillaume Morin <guillaume at morinfr dot org> ---
Created attachment 42201
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42201&action=edit
"fast" testcase