[clang] [alpha.webkit.UncountedCallArgsChecker] Treat an explicit construction of Ref from a Ref return value safe. (PR #130911)

[Ryosuke Niwa via cfe-commits]

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@@ -70,6 +70,8 @@ bool tryToFindPtrOrigin(
           if (isCtorOfSafePtr(ConversionFunc))
             return callback(E, true);
         }
+        if (isa<CXXFunctionalCastExpr>(E) && isSafePtrType(cast->getType()))
+          return callback(E, true);
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rniwa wrote:

We typically don't pass arguments as RefPtr / Ref except a few cases where we pass in as RefPtr&& / Ref&&. I guess we can add a test for it though.

https://github.com/llvm/llvm-project/pull/130911