================
@@ -290,6 +290,7 @@ static llvm::AtomicOrdering mapCABIAtomicOrdering(unsigned
AO) {
case llvm::AtomicOrderingCABI::relaxed:
return llvm::AtomicOrdering::Monotonic;
}
+ llvm_unreachable("Unknown AtomicOrderingCABI enum");
----------------
Thibault-Monnier wrote:
It seems to me there is only a warning when enabling `-Wswitch-enum`, but then,
that's basically the point of the flag.
What gcc _does_ do is that it never considers a `switch case` without a
`default` as handling all control paths, see https://godbolt.org/z/E8PcGoPv6.
However, that's not applicable in this case.
https://github.com/llvm/llvm-project/pull/180500
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