Fix an assertion failure when code completing an auto variable's initialiser.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160857 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeCompletion/auto.cpp b/test/CodeCompletion/auto.cpp
new file mode 100644
index 0000000..1fc9fb0
--- /dev/null
+++ b/test/CodeCompletion/auto.cpp
@@ -0,0 +1,2 @@
+// RUN: %clang_cc1 -std=c++11 -code-completion-at=%s:2:9 %s
+auto i =