[clang] [lld] [llvm] Conditionalize use of POSIX features missing on WASI/WebAssembly (PR #92677)

[James Y Knight via llvm-commits]

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@@ -41,6 +41,8 @@
 
 using namespace llvm;
 
+#if defined(_WIN32) || !defined(__wasi__)
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jyknight wrote:

This conditional is weird; there's no case where `__wasi__` is defined at the same time as `_WIN32`, so you just mean `#if !defined(__wasi__)`.

Also you've removed the entire type's implementation, but not the declaration in the header, which is broken.

https://github.com/llvm/llvm-project/pull/92677