On Wed, Apr 4, 2018 at 10:13 AM Linus Torvalds <
> The fact that clang by default enables "-fmerge-all-constants"
> behavior is just inexcusable. That's not just "let's do invalid
> optimizations based on undefined behavior". That's an actual "let's do
> known invalid optimizations that are explicitly disallowed even by the
Manoj already has a patch for this that looks like it's passed code review: