[index] Avoid another crash that happens when looking up a dependent name

in a record that has a base without a definition

rdar://32224197

llvm-svn: 303192

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/Index/Core/index-dependent-source.cpp b/clang/test/Index/Core/index-dependent-source.cpp
index 25410799a86..8c097b935a3 100644
--- a/clang/test/Index/Core/index-dependent-source.cpp
+++ b/clang/test/Index/Core/index-dependent-source.cpp
@@ -131,3 +131,13 @@ void undefinedTemplateLookup(UndefinedTemplateClass<T> &x) {
   x.lookup;
   typename UndefinedTemplateClass<T>::Type y;
 }
+
+template<typename T>
+struct UserOfUndefinedTemplateClass: UndefinedTemplateClass<T> { };
+
+template<typename T>
+void undefinedTemplateLookup2(UserOfUndefinedTemplateClass<T> &x) {
+// Shouldn't crash!
+  x.lookup;
+  typename UserOfUndefinedTemplateClass<T>::Type y;
+}