1 files changed, 20 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/deep_tail_call.cc b/lib/asan/lit_tests/TestCases/deep_tail_call.cc
new file mode 100644
index 000000000000..2e7aa8e0208f
--- /dev/null
+++ b/lib/asan/lit_tests/TestCases/deep_tail_call.cc
@@ -0,0 +1,20 @@
+// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s
+
+// CHECK: AddressSanitizer: global-buffer-overflow
+int global[10];
+// CHECK: {{#0.*call4}}
+void __attribute__((noinline)) call4(int i) { global[i+10]++; }
+// CHECK: {{#1.*call3}}
+void __attribute__((noinline)) call3(int i) { call4(i); }
+// CHECK: {{#2.*call2}}
+void __attribute__((noinline)) call2(int i) { call3(i); }
+// CHECK: {{#3.*call1}}
+void __attribute__((noinline)) call1(int i) { call2(i); }
+// CHECK: {{#4.*main}}
+int main(int argc, char **argv) {
+  call1(argc);
+  return global[0];
+}