[clang] [Clang] enhance loop analysis to handle variable changes inside lambdas (PR #135573)

[Aaron Ballman via cfe-commits]

================
@@ -1996,9 +1996,33 @@ namespace {
     }
 
     void VisitDeclRefExpr(DeclRefExpr *E) {
-      if (VarDecl *VD = dyn_cast<VarDecl>(E->getDecl()))
+      if (VarDecl *VD = dyn_cast<VarDecl>(E->getDecl())) {
----------------
AaronBallman wrote:

```suggestion
      if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) {
```

https://github.com/llvm/llvm-project/pull/135573