[libunwind] [libunwind] Move wasm definition of `__cpp_exception` (PR #195681)

[Sam Clegg via cfe-commits]

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@@ -30,6 +30,7 @@ set_source_files_properties(${LIBUNWIND_C_SOURCES}
 set(LIBUNWIND_ASM_SOURCES
     UnwindRegistersRestore.S
     UnwindRegistersSave.S
+    __cpp_exception.S
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sbc100 wrote:

Maybe include wasm in the filename somehow so its clear this is wasm-specific?

https://github.com/llvm/llvm-project/pull/195681