[compiler-rt] [libunwind] [llvm] Fix compiling/using libunwind for wasm targets (PR #185770)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,c -- libunwind/src/Unwind-wasm.c libunwind/src/assembly.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/libunwind/src/Unwind-wasm.c b/libunwind/src/Unwind-wasm.c
index 44d284ba8..c0ca9b775 100644
--- a/libunwind/src/Unwind-wasm.c
+++ b/libunwind/src/Unwind-wasm.c
@@ -74,17 +74,15 @@ _Unwind_RaiseException(_Unwind_Exception *exception_object) {
 // definition for this API and it's required for users to ensure that there's
 // only one copy of `libunwind` within a wasm module to ensure this is only
 // defined once and exactly once.
-__asm__(
-".globl __cpp_exception\n"
+__asm__(".globl __cpp_exception\n"
 #if defined(__wasm32__)
-".tagtype __cpp_exception i32\n"
+        ".tagtype __cpp_exception i32\n"
 #elif defined(__wasm64__)
-".tagtype __cpp_exception i64\n"
+        ".tagtype __cpp_exception i64\n"
 #else
-# error "Unsupported Wasm architecture"
+#error "Unsupported Wasm architecture"
 #endif
-"__cpp_exception:\n"
-);
+        "__cpp_exception:\n");
 
 /// Called by __cxa_end_catch.
 _LIBUNWIND_EXPORT void

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https://github.com/llvm/llvm-project/pull/185770