From 9fc98bf1d8e7ec150c896d634e2c69020f338c53 Mon Sep 17 00:00:00 2001
From: Kuba Mracek <mracek@apple.com>
Date: Mon, 17 Dec 2018 14:05:24 -0800
Subject: [PATCH] Add a test for a compiler crasher with -O
 -whole-module-optimization -sanitize=address

---
 test/Sanitizers/asan-globals-overwrite.swift | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/Sanitizers/asan-globals-overwrite.swift

diff --git a/test/Sanitizers/asan-globals-overwrite.swift b/test/Sanitizers/asan-globals-overwrite.swift
new file mode 100644
index 0000000000000..2ac5c771c0725
--- /dev/null
+++ b/test/Sanitizers/asan-globals-overwrite.swift
@@ -0,0 +1,18 @@
+// RUN: %target-run-simple-swift(-O -whole-module-optimization -sanitize=address)
+
+// REQUIRES: executable_test
+// REQUIRES: foundation
+// REQUIRES: asan_runtime
+
+import Foundation
+
+struct MyStruct {
+    let value = Data()
+}
+
+class MyClass: NSObject {
+    var x: Int = {
+        _ = MyStruct()
+        return 0
+    }()
+}