https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97266
--- Comment #6 from m farazma <mfarazma.ext at gmail dot com> --- (In reply to Jonathan Wakely from comment #5) > Neither of those cases are constants, and the warning documentation (and the > actual diagnostic itself) talk about constants. > > But there's still no warning for: > > constexpr ValidateFlag v = c; > bool t = static_cast<bool>(v); > > which definitely seems inconsistent. I don't know what the intended > behaviour is, but it should be consistent. When using clang 12 there are no warning messages. We had to use "-Wno-int-in-bool-context" to disable the warning on gcc.
