Harden Sema::MaybeBindTotemporary.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117954 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 2e5293d..63e1a24 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -2933,6 +2933,9 @@
 }
 
 ExprResult Sema::MaybeBindToTemporary(Expr *E) {
+  if (!E)
+    return ExprError();
+  
   if (!Context.getLangOptions().CPlusPlus)
     return Owned(E);