1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index bb3f21a212..5d4fbd8080 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -1703,6 +1703,8 @@ Sema::ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc,
     // build a built-in operation.
   }
 
+  Input.release();
+  Input = Arg;
   return CreateBuiltinUnaryOp(OpLoc, Opc, move(Input));
 }