Literal operator suffixes and regular names live in separate namespaces.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152395 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 15 insertions, 0 deletions

diff --git a/test/CXX/over/over.oper/over.literal/p2.cpp b/test/CXX/over/over.oper/over.literal/p2.cpp
index fb11ca5578..d0dfde439e 100644
--- a/test/CXX/over/over.oper/over.literal/p2.cpp
+++ b/test/CXX/over/over.oper/over.literal/p2.cpp
@@ -25,3 +25,9 @@ void f() {
 extern "C++" {
   void operator "" _g(const char *);
 }
+
+template<char...> void operator "" _h() {}
+
+template<> void operator "" _h<'a', 'b', 'c'>() {}
+
+template void operator "" _h<'a', 'b', 'c', 'd'>();
diff --git a/test/SemaCXX/cxx11-user-defined-literals.cpp b/test/SemaCXX/cxx11-user-defined-literals.cpp
index 4cfd4d382b..4bbecdb5b8 100644
--- a/test/SemaCXX/cxx11-user-defined-literals.cpp
+++ b/test/SemaCXX/cxx11-user-defined-literals.cpp
@@ -126,3 +126,12 @@ template<char...Cs> constexpr unsigned operator"" _hash() {
 }
 static_assert(0x1234_hash == 0x103eff5e, "");
 static_assert(hash<'0', 'x', '1', '2', '3', '4'>(0) == 0x103eff5e, "");
+
+// Functions and literal suffixes go in separate namespaces.
+namespace Namespace {
+  template<char...> int operator"" _x();
+  int k = _x(); // expected-error {{undeclared identifier '_x'}}
+
+  int _y(unsigned long long);
+  int k2 = 123_y; // expected-error {{no matching literal operator for call to 'operator "" _y'}}
+}