[clang] [clang][analyzer] Fix crash caused by overload operator member function with explicit this (PR #132581)

[Gábor Horváth via cfe-commits]

================
@@ -157,8 +157,11 @@ void ContainerModeling::checkPostCall(const CallEvent &Call,
   if (Func->isOverloadedOperator()) {
     const auto Op = Func->getOverloadedOperator();
     if (Op == OO_Equal) {
-      // Overloaded 'operator=' must be a non-static member function.
-      const auto *InstCall = cast<CXXInstanceCall>(&Call);
+      // Only handle the assignment operator with implicit this
----------------
Xazax-hun wrote:

Maybe a FIXME with a GitHub ticket to properly support explicit could be nice. 

https://github.com/llvm/llvm-project/pull/132581