[libunwind] [libunwind][WebAssembly] Omit unused parts of libunwind.cpp for Wasm (PR #73196)

[Kazushi Marukawa via cfe-commits]

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@@ -26,7 +26,7 @@
 #include <sanitizer/asan_interface.h>
 #endif
 
-#if !defined(__USING_SJLJ_EXCEPTIONS__)
+#if !defined(__USING_SJLJ_EXCEPTIONS__) || !defined(__USING_WASM_EXCEPTIONS__)
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kaz7 wrote:

Thanks a lot!!

https://github.com/llvm/llvm-project/pull/73196