1 files changed, 32 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/cxx1y-user-defined-literals.cpp b/clang/test/SemaCXX/cxx1y-user-defined-literals.cpp
new file mode 100644
index 00000000000..85abfb4fbf9
--- /dev/null
+++ b/clang/test/SemaCXX/cxx1y-user-defined-literals.cpp
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -std=c++1y %s -include %s -verify
+
+#ifndef INCLUDED
+#define INCLUDED
+
+#pragma clang system_header
+namespace std {
+  using size_t = decltype(sizeof(0));
+
+  struct duration {};
+  duration operator"" ns(unsigned long long);
+  duration operator"" us(unsigned long long);
+  duration operator"" ms(unsigned long long);
+  duration operator"" s(unsigned long long);
+  duration operator"" min(unsigned long long);
+  duration operator"" h(unsigned long long);
+
+  struct string {};
+  string operator"" s(const char*, size_t);
+}
+
+#else
+
+using namespace std;
+duration a = 1ns, b = 1us, c = 1ms, d = 1s, e = 1min, f = 1h;
+string s = "foo"s;
+char error = 'x's; // expected-error {{invalid suffix}} expected-error {{expected ';'}}
+
+int _1z = 1z; // expected-error {{invalid suffix}}
+int _1b = 1b; // expected-error {{invalid digit}}
+
+#endif