diff --git a/test/Index/c-index-redecls.c b/test/Index/c-index-redecls.c
new file mode 100644
index 0000000..0cf2f03
--- /dev/null
+++ b/test/Index/c-index-redecls.c
@@ -0,0 +1,107 @@
+// RUN: %clang_cc1 -emit-pch -o %t.ast %s
+// RUN: c-index-test -test-load-tu %t.ast all
+
+// rdar://8956193 - We would blow the thread stack because of nested calls due
+//                  to redeclarations.
+
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);
+void socrates(void);