Add test missed from r143234.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143257 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p5.cpp b/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p5.cpp
new file mode 100644 (file)
index 0000000..c3c69c4
--- /dev/null
+++ b/test/CXX/dcl.dcl/dcl.spec/dcl.constexpr/p5.cpp
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+namespace StdExample {
+
+constexpr int f(void *) { return 0; }
+constexpr int f(...) { return 1; }
+constexpr int g1() { return f(0); }
+constexpr int g2(int n) { return f(n); }
+constexpr int g3(int n) { return f(n*0); }
+
+namespace N {
+  constexpr int c = 5;
+  constexpr int h() { return c; }
+}
+constexpr int c = 0;
+constexpr int g4() { return N::h(); }
+
+// FIXME: constexpr calls aren't recognized as ICEs yet, just as foldable.
+#define JOIN2(a, b) a ## b
+#define JOIN(a, b) JOIN2(a, b)
+#define CHECK(n, m) using JOIN(A, __LINE__) = int[n]; using JOIN(A, __LINE__) = int[m];
+CHECK(f(0), 0)
+CHECK(f('0'), 1)
+CHECK(g1(), 0)
+CHECK(g2(0), 1)
+CHECK(g2(1), 1)
+CHECK(g3(0), 1)
+CHECK(g3(1), 1)
+CHECK(N::h(), 5)
+CHECK(g4(), 5)
+
+}