1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 37cdd14407..90373920c5 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -1723,7 +1723,8 @@ ExprResult Parser::ParseUnaryExprOrTypeTraitExpression() {
   if (OpTok.is(tok::kw_alignof) || OpTok.is(tok::kw__Alignof))
     Diag(OpTok, diag::warn_cxx98_compat_alignof);
 
-  EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated);
+  EnterExpressionEvaluationContext Unevaluated(Actions, Sema::Unevaluated,
+                                               Sema::ReuseLambdaContextDecl);
 
   bool isCastExpr;
   ParsedType CastTy;