1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-builtin1.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-builtin1.C
new file mode 100644
index 0000000..d663f88
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-builtin1.C
@@ -0,0 +1,25 @@
+// PR c++/49813
+// { dg-do compile { target c++11 } }
+
+inline constexpr bool
+isinf(long double __x)
+{ return __builtin_isinf(__x); }
+
+inline constexpr bool
+isinf(double __x)
+{ return __builtin_isinf(__x); }
+
+inline constexpr bool
+isnan(long double __x)
+{ return __builtin_isnan(__x); }
+
+int main()
+{
+  constexpr long double num1 = __builtin_isinf(1.l); // Ok.
+
+  constexpr long double num2 = isinf(1.l);           // Error.
+
+  constexpr double      num3 = isinf(1.);            // Ok.
+
+  constexpr long double num4 = isnan(1.l);           // Ok.
+}