1 files changed, 18 insertions, 0 deletions
diff --git a/test/SemaTemplate/delegating-constructors.cpp b/test/SemaTemplate/delegating-constructors.cpp
new file mode 100644
index 0000000000000..d82343402b741
--- /dev/null
+++ b/test/SemaTemplate/delegating-constructors.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify 
+
+namespace PR10457 {
+
+  class string
+  {
+    string(const char* str, unsigned);
+
+  public:
+    template <unsigned N>
+    string(const char (&str)[N])
+      : string(str) {} // expected-error{{constructor for 'string<6>' creates a delegation cycle}}
+  };
+
+  void f() {
+    string s("hello");
+  }
+}