[libunwind] [libunwind] Fix execution flow imbalance when using C++ Exceptions (PR #165066)

[Oliver Hunt via cfe-commits]

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@@ -132,6 +133,10 @@
 
 #if defined(__APPLE__)
 
+#if (defined(__aarch64__) || defined(__arm64__) || defined(__arm64e__))
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ojhunt wrote:

nit: don't need the outer ()s

https://github.com/llvm/llvm-project/pull/165066