diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 5f82d13..5477dc4 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -2576,7 +2576,7 @@
          "Default argument is not yet instantiated!");
 
   Expr *Arg = getInit();
-  if (auto *E = dyn_cast_or_null<ExprWithCleanups>(Arg))
+  if (auto *E = dyn_cast_or_null<FullExpr>(Arg))
     return E->getSubExpr();
 
   return Arg;