[Bug middle-end/115913] [12/13/14/15 Regression] ICE with pragma GCC pop_options with diagnostic since r11-1141

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115913

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think cl_optimization_compare should then not compare CL_WARNING options,
in case #pragma GCC pop_options doesn't restore them.