[clang] [analyzer] Detect leaks of stack addresses via output params, indirect globals 3/3 (PR #105648)

[Gábor Horváth via cfe-commits]

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@@ -348,12 +357,27 @@ void StackAddrEscapeChecker::checkEndFunction(const ReturnStmt *RS,
 
   ExplodedNode *Node = Ctx.getPredecessor();
 
+  bool ExitingTopFrame =
+      Ctx.getPredecessor()->getLocationContext()->inTopFrame();
+
+  if (ExitingTopFrame && Node->getLocation().getTag() &&
+      Node->getLocation().getTag()->getTagDescription() ==
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Xazax-hun wrote:

Is this a common idiom to check for the tag description? I wonder if we could come up with something that is less stringly typed. 

https://github.com/llvm/llvm-project/pull/105648