1 files changed, 18 insertions, 0 deletions
diff --git a/test/CXX/lex/lex.literal/lex.ext/p4.cpp b/test/CXX/lex/lex.literal/lex.ext/p4.cpp
new file mode 100644
index 0000000..011e832
--- /dev/null
+++ b/test/CXX/lex/lex.literal/lex.ext/p4.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
+
+int &operator "" _x1 (long double);
+int &i1 = 0.123_x1;
+
+double &operator "" _x1 (const char *);
+int &i2 = 45._x1;
+
+template<char...> char &operator "" _x1 ();
+int &i3 = 0377e-1_x1;
+
+int &i4 = 1e1000000_x1; // expected-warning {{too large for type 'long double'}}
+
+double &operator "" _x2 (const char *);
+double &i5 = 1e1000000_x2;
+
+template<char...Cs> constexpr int operator "" _x3() { return sizeof...(Cs); }
+static_assert(1e1000000_x3 == 9, "");