Add null check for malformed code.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165733 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 4800886..6a39ff0 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -510,8 +510,11 @@
// Refuse POD arguments that weren't caught by the format string
// checks above.
if (!HandledFormatString && CallType != VariadicDoesNotApply)
- for (unsigned ArgIdx = NumProtoArgs; ArgIdx < NumArgs; ++ArgIdx)
- variadicArgumentPODCheck(Args[ArgIdx], CallType);
+ for (unsigned ArgIdx = NumProtoArgs; ArgIdx < NumArgs; ++ArgIdx) {
+ // Args[ArgIdx] can be null in malformed code.
+ if (Expr *Arg = Args[ArgIdx])
+ variadicArgumentPODCheck(Arg, CallType);
+ }
for (specific_attr_iterator<NonNullAttr>
I = FDecl->specific_attr_begin<NonNullAttr>(),