[clang] [Clang] FunctionEffects: properly extract the type of a bound member member function from a CallExpr. (PR #166101)

[via cfe-commits]

================
@@ -1208,8 +1208,17 @@ class Analyzer {
         return true;
       }
 
-      // No Decl, just an Expr. Just check based on its type.
-      checkIndirectCall(Call, CalleeExpr->getType());
+      // No Decl, just an Expr. Just check based on its type. Bound member
+      // functions are a special expression type and need to be specially
+      // unpacked.
+      QualType CalleeExprQT = CalleeExpr->getType();
+      if (CalleeExpr->isBoundMemberFunction(Outer.S.getASTContext())) {
+        QualType QT = Expr::findBoundMemberType(CalleeExpr);
+        if (!QT.isNull()) {
+          CalleeExprQT = QT;
+        }
----------------
Sirraide wrote:

```suggestion
        if (!QT.isNull())
          CalleeExprQT = QT;
```
nit

https://github.com/llvm/llvm-project/pull/166101