[Bug tree-optimization/114277] [12/13/14 Regression] Missed optimization: x*(x||b) => x

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114277

--- Comment #14 from Jeffrey A. Law <law at gcc dot gnu.org> ---
I'm not planning to backport the match.pd pattern.  I think it's quite safe,
but doesn't seem important enough.   Leaving open in case someone disagrees.