1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CXX/lex/lex.literal/lex.ext/p3.cpp b/clang/test/CXX/lex/lex.literal/lex.ext/p3.cpp
new file mode 100644
index 0000000..43f3468
--- /dev/null
+++ b/clang/test/CXX/lex/lex.literal/lex.ext/p3.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
+
+int &operator "" _x1 (unsigned long long);
+int &i1 = 0x123_x1;
+
+double &operator "" _x1 (const char *);
+int &i2 = 45_x1;
+
+template<char...> char &operator "" _x1 ();
+int &i3 = 0377_x1;
+
+int &i4 = 90000000000000000000000000000000000000000000000_x1; // expected-warning {{integer constant is too large}}
+
+double &operator "" _x2 (const char *);
+double &i5 = 123123123123123123123123123123123123123123123_x2;
+
+template<char...Cs> constexpr int operator "" _x3() { return sizeof...(Cs); }
+static_assert(123456789012345678901234567890123456789012345678901234567890_x3 == 60, "");