From e778db6d7217d5e9d2c2a25467a46147f521160d Mon Sep 17 00:00:00 2001
From: "Yaxun (Sam) Liu" <yaxun.liu@amd.com>
Date: Thu, 19 Mar 2020 00:22:58 -0400
Subject: [PATCH] recommit b58f6bb1207521cdf6a856004525d7bffa5f2153

Add a test for UsedDeclVisitor

This test is reduced from mlir/lib/Transforms/AffineDataCopyGeneration.cpp
to make sure there is no assertion due to UsedDeclVisitor.
---
 clang/test/CodeGenCXX/used-decl-visitor.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 clang/test/CodeGenCXX/used-decl-visitor.cpp

diff --git a/clang/test/CodeGenCXX/used-decl-visitor.cpp b/clang/test/CodeGenCXX/used-decl-visitor.cpp
new file mode 100644
index 000000000000..2b923ab562db
--- /dev/null
+++ b/clang/test/CodeGenCXX/used-decl-visitor.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -triple x86_64 -emit-llvm -o %t %s
+
+// Make sure there is no assertion due to UsedDeclVisitor.
+
+struct A {
+  int a;
+};
+
+static A a;
+
+struct B {
+  B(int b = a.a) {}
+};
+
+
+void foo() {
+  B();
+}