re PR testsuite/61319 (The tests…

re PR testsuite/61319 (The tests c-c++-common/ubsan/float-cast-overflow-(1|2|4).c fail on x86_64-apple-darwin*)

	PR testsuite/61319
	* c-c++-common/ubsan/float-cast.h: Conditionally define LLONG_MAX,
	LLONG_MIN, and ULLONG_MAX.

From-SVN: r210970

gcc/testsuite/ChangeLog

+2014-05-27  Marek Polacek  <polacek@redhat.com>
+
+	PR testsuite/61319
+	* c-c++-common/ubsan/float-cast.h: Conditionally define LLONG_MAX,
+	LLONG_MIN, and ULLONG_MAX.
+
 2014-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* lib/target-supports.exp (check_effective_target_vect_bswap):

gcc/testsuite/c-c++-common/ubsan/float-cast.h

 /* Various macros for -fsanitize=float-cast-overflow testing.  */
 
+/* E.g. on CentOS 5 these aren't defined in limits.h.  */
+#ifndef LLONG_MAX
+# define LLONG_MAX __LONG_LONG_MAX__
+#endif
+#ifndef LLONG_MIN
+# define LLONG_MIN (-__LONG_LONG_MAX__ - 1LL)
+#endif
+#ifndef ULLONG_MAX
+# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL)
+#endif
+
 #define INT128_MAX (__int128) (((unsigned __int128) 1 << ((__SIZEOF_INT128__ * __CHAR_BIT__) - 1)) - 1)
 #define INT128_MIN (-INT128_MAX - 1)
 #define UINT128_MAX ((2 * (unsigned __int128) INT128_MAX) + 1)