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-rw-r--r--lib/Sema/TreeTransform.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index 910aadbdc8..6032244a15 100644
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -544,6 +544,9 @@ public:
TemplateName InstName =
getDerived().RebuildTemplateName(NNS, *Name, QualType());
+ if (InstName.isNull())
+ return QualType();
+
// If it's still dependent, make a dependent specialization.
if (InstName.getAsDependentTemplateName())
return SemaRef.Context.getDependentTemplateSpecializationType(