[Bug rtl-optimization/123517] [16 regression] infinite loop in ext-dce while compiling _gcov_execl.i

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123517

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Maybe
https://gcc.gnu.org/cgit/gcc/commit/?id=c10076b34d3ede485bfb306b2a91feeee8368cd5
miscompiles ext-dce ...