1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index ece019c3a7..759fb16d1a 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -1511,7 +1511,8 @@ static IndirectFieldDecl *FindIndirectFieldDesignator(FieldDecl *AnonField,
                                                  IdentifierInfo *FieldName) {
   assert(AnonField->isAnonymousStructOrUnion());
   Decl *NextDecl = AnonField->getNextDeclInContext();
-  while (IndirectFieldDecl *IF = dyn_cast<IndirectFieldDecl>(NextDecl)) {
+  IndirectFieldDecl *IF = NULL;
+  while (NextDecl && (IF = dyn_cast<IndirectFieldDecl>(NextDecl))) {
     if (FieldName && FieldName == IF->getAnonField()->getIdentifier())
       return IF;
     NextDecl = NextDecl->getNextDeclInContext();