[clang] [clang][ThreadSafety] Warn when constructor is trylock (PR #95290)

[Dan McArdle via cfe-commits]

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@@ -3657,8 +3657,8 @@ class Foo {
   int a GUARDED_BY(mu_);
   bool c;
 
-  int    tryLockMutexI() EXCLUSIVE_TRYLOCK_FUNCTION(1, mu_);
-  Mutex* tryLockMutexP() EXCLUSIVE_TRYLOCK_FUNCTION(1, mu_);
+  bool   tryLockMutexI() EXCLUSIVE_TRYLOCK_FUNCTION(1, mu_);
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dmcardle wrote:

This bool can stay int if we go with the permissive bool/int/pointer return values.

https://github.com/llvm/llvm-project/pull/95290