[libc-commits] [libc] [libc][NFC] Couple of small warning fixes (PR #67847)

[via libc-commits]

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@@ -28,7 +28,7 @@ namespace internal {
 LIBC_INLINE cpp::optional<int> wctob(wint_t c) {
   // This needs to be translated to EOF at the callsite. This is to avoid
   // including stdio.h in this file.
-  if (c > 127 || c < 0)
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michaelrj-google wrote:

wint_t is a signed value, this "or" is important.

https://github.com/llvm/llvm-project/pull/67847