[libcxx] [libcxxabi] [libunwind] [llvm] [libc++] Enable -Wmissing-prototypes (PR #116261)

[Guillaume Outters via llvm-commits]

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@@ -106,6 +106,7 @@ namespace {
 
 #endif // HAVE___CXA_THREAD_ATEXIT_IMPL
 
+#if defined(__linux__) || defined(__Fuchsia__)
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outtersg wrote:

Looking a bit harder I just noticed the question has already been asked in https://github.com/llvm/llvm-project/pull/186054

https://github.com/llvm/llvm-project/pull/116261