1 files changed, 9 insertions, 0 deletions
diff --git a/test/Index/Inputs/crash-preamble-classes.h b/test/Index/Inputs/crash-preamble-classes.h
new file mode 100644
index 000000000000..a8fb5cede05d
--- /dev/null
+++ b/test/Index/Inputs/crash-preamble-classes.h
@@ -0,0 +1,9 @@
+struct Incomplete;
+
+struct X : Incomplete {
+  X();
+};
+
+struct Y : X {
+  using X::X;
+};