[clang] Thread Safety Analysis: Check managed capabilities of returned scoped capability (PR #131831)

[Aaron Puchert via cfe-commits]

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@@ -3566,6 +3565,38 @@ void releaseMemberCall() {
   ReleasableMutexLock lock(&obj.mu);
   releaseMember(obj, lock);
 }
+#ifdef __cpp_guaranteed_copy_elision
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aaronpuchert wrote:

Add blank lines around `#ifdef` and `#endif` for readability.

https://github.com/llvm/llvm-project/pull/131831