re PR tree-optimization/68356 (FAIL: gcc.dg/torture/pr68264.c -O* execution…

re PR tree-optimization/68356 (FAIL: gcc.dg/torture/pr68264.c   -O*  execution test on x86_64-apple-darwin1(0|4))

	PR tree-optimization/68356
	* gcc.dg/torture/pr68264.c: Disable exp2 ERANGE test on hppa unix.

From-SVN: r232256

gcc/testsuite/ChangeLog

+2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR tree-optimization/68356
+	* gcc.dg/torture/pr68264.c: Disable exp2 ERANGE test on hppa unix.
+
 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
 	    Jim Wilson  <jim.wilson@linaro.org>
 

gcc/testsuite/gcc.dg/torture/pr68264.c

@@ -78,8 +78,9 @@ test (void)
   if (0)
     TEST (log1p (d), LARGE_NEG_EDOM);
   TEST (exp (d), POWER_ERANGE);
-#if defined (__sun__) && defined (__unix__)
-  /* Disabled due to a bug in Solaris libm.  */
+#if (defined (__sun__) || defined(__hppa__)) && defined (__unix__)
+  /* Disabled due to a bug in Solaris libm.  HP PA-RISC libm doesn't support
+     ERANGE for exp2.  */
   if (0)
 #endif
     {