fix a bozobug.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65589 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 1f4ab07..c4edbba 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -39,6 +39,7 @@
 
   // Otherwise we can only handle string literals.
   StringLiteral *SL = dyn_cast<StringLiteral>(Init);
+  if (SL == 0) return 0;
   
   // char array can be initialized with a narrow string.
   // Only allow char x[] = "foo";  not char x[] = L"foo";