[libcxx] [libcxxabi] [libunwind] [libunwind][libcxx][libcxxabi] Fix Exception Handling build for wasm (PR #79667)

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@@ -36,7 +36,12 @@ struct __cxa_exception;
 _LIBCPP_OVERRIDABLE_FUNC_VIS __cxa_exception* __cxa_init_primary_exception(
     void*,
     std::type_info*,
-    void(
+#  if defined(__USING_WASM_EXCEPTIONS__)
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trcrsired wrote:

Fixed

https://github.com/llvm/llvm-project/pull/79667