[Bug tree-optimization/109791] -Wstringop-overflow warning with -O3 and _GLIBCXX_USE_CXX11_ABI=0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109791

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The exact command line for a generic x86_64-linux-gnu compiler:
-O2 -fvect-cost-model=dynamic  -Wstringop-overflow -D_GLIBCXX_USE_CXX11_ABI=0
-march=x86-64-v2