--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/builtins-45.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,56 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-optimized" } */
+  
+extern void f(int);
+extern void link_error ();
+
+extern float x;
+extern double y;
+extern long double z;
+
+int
+main ()
+{
+  double nan = __builtin_nan ("");
+#ifndef __SPU__
+  /* The SPU single-precision floating point format does not support NANs.  */
+  float nanf = __builtin_nanf ("");
+#endif
+  long double nanl = __builtin_nanl ("");
+
+  double pinf = __builtin_inf ();
+#ifndef __SPU__
+  /* The SPU single-precision floating point format does not support Inf.  */
+  float pinff = __builtin_inff ();
+#endif
+  long double pinfl = __builtin_infl ();
+
+  if (__builtin_finite (pinf))
+    link_error ();
+#ifndef __SPU__
+  if (__builtin_finitef (pinff))
+    link_error ();
+#endif
+  if (__builtin_finitel (pinfl))
+    link_error ();
+
+  if (__builtin_finite (nan))
+    link_error ();
+#ifndef __SPU__
+  if (__builtin_finitef (nanf))
+    link_error ();
+#endif
+  if (__builtin_finitel (nanl))
+    link_error ();
+
+  if (!__builtin_finite (4.0))
+    link_error ();
+  if (!__builtin_finitef (4.0))
+    link_error ();
+  if (!__builtin_finitel (4.0))
+    link_error ();
+}
+
+
+/* Check that all instances of link_error were subject to DCE.  */
+/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */