On Mon, Jun 13, 2022 at 03:38:23PM -0400, Jason Merrill via Gcc-patches wrote:
> I noticed that -fsanitize=undefined -fsanitize-undefined-trap-on-error was
> omitting the usual -Wreturn-type warning for control flowing off the end of
> a function. This was because the warning code was looking for
I noticed that -fsanitize=undefined -fsanitize-undefined-trap-on-error was
omitting the usual -Wreturn-type warning for control flowing off the end of
a function. This was because the warning code was looking for calls either
to __builtin_unreachable or the UBSan function, but these flags produce
