Attempting to initialize a union member that does not exist no longer crashes.
Patch by Remi Gacogne
llvm-svn: 150144
diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
index ece019c..759fb16 100644
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -1511,7 +1511,8 @@
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();