[Bug tree-optimization/92860] [8/9/10/11 regression] Global flags affected by -O settings are clobbered by optimize attribute

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92860

--- Comment #26 from Martin Liška <marxin at gcc dot gnu.org> ---
One more arc-linux case:

    { OPT_LEVELS_SIZE, OPT_mcase_vector_pcrel, NULL, 1 },
    { OPT_LEVELS_SIZE, OPT_msize_level_, NULL, 3 },
    { OPT_LEVELS_SIZE, OPT_mmillicode, NULL, 1 },
    { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_msize_level_, NULL, 0 },
    { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_malign_call, NULL, 1 },