diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 8a18de1..2aab53f 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -332,13 +332,16 @@
   }
 }
 
-bool Decl::isLexicallyWithinFunctionOrMethod() const {
+bool Decl::isInLocalScope() const {
   const DeclContext *LDC = getLexicalDeclContext();
   while (true) {
     if (LDC->isFunctionOrMethod())
       return true;
     if (!isa<TagDecl>(LDC))
       return false;
+    if (const auto *CRD = dyn_cast<CXXRecordDecl>(LDC))
+      if (CRD->isLambda())
+        return true;
     LDC = LDC->getLexicalParent();
   }
   return false;