1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGenCXX/pr18635.cpp b/test/CodeGenCXX/pr18635.cpp
new file mode 100644
index 0000000..94b5e45
--- /dev/null
+++ b/test/CodeGenCXX/pr18635.cpp
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -emit-llvm -std=c++11 -triple x86_64-pc-linux-gnu -o- %s | FileCheck %s
+
+// Global @x:
+// CHECK: [[X_GLOBAL:@[^ ]+]]{{.*}}thread_local global
+
+// returned somewhere in TLS wrapper:
+// CHECK: ret{{.*}}[[X_GLOBAL]]
+
+template <typename T> class unique_ptr {
+  template <typename F, typename S> struct pair {
+    F first;
+    S second;
+  };
+  pair<T *, int> data;
+public:
+  constexpr unique_ptr() noexcept : data() {}
+  explicit unique_ptr(T *p) noexcept : data() {}
+};
+
+thread_local unique_ptr<int> x;
+int main() { x = unique_ptr<int>(new int(5)); }
+