[clang] [libunwind] [llvm] [wasm] Toolchain support for `wasm32-wali-linux-musl` target (PR #156087)

[Derek Schuff via llvm-commits]

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@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if !defined(__USING_SJLJ_EXCEPTIONS__) && !defined(__wasm__)
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dschuff wrote:

`__USING_SJLJ_EXCEPTIONS__` is not just used by wasm. So this is going to affect other platforms, e.g. by adding the definitions below and NO_EXEC_STACK_DIRECTIVE below. Is that intentional?

https://github.com/llvm/llvm-project/pull/156087