[clang] [Clang] Check for uninitialized use in lambda within CXXOperatorCallExpr (PR #129198)

[Erich Keane via cfe-commits]

================
@@ -12796,6 +12799,7 @@ namespace {
     }
 
     void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
+      llvm::SaveAndRestore cxxOpCallScope(isInCXXOperatorCall, true);
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erichkeane wrote:

```suggestion
      llvm::SaveAndRestore CxxOpCallScope(isInCXXOperatorCall, true);
```

https://github.com/llvm/llvm-project/pull/129198