[Bug ipa/127693] [14/15/16/17 Regression] __builtin_constant_p vs IPA SRA and inlining

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127693

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
There's a missed optimization caused by the PR54498 fix though which is why we
fail to value-number the load.  I have a fix for that in testing.