re PR testsuite/77713 (gcc.dg/tree-ssa/builtin-sprintf.c compilation failed to produce executable)

gcc/testsuite/ChangeLog:

	PR testsuite/77713
	* gcc.dg/tree-ssa/builtin-sprintf.c (test_e_long_double): Avoid
	assuming long double is bigger than double.

From-SVN: r240450

gcc/testsuite/ChangeLog

+2016-09-23  Martin Sebor  <msebor@redhat.com>
+
+	PR testsuite/77713
+	* gcc.dg/tree-ssa/builtin-sprintf.c (test_e_long_double): Avoid
+	assuming long double is bigger than double.
+
 2016-09-23  Jakub Jelinek  <jakub@redhat.com>
 
 	Implement P0138R2, C++17 construction rules for enum class values

gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf.c

@@ -420,7 +420,12 @@ test_e_long_double (void)
   EQL (12, 13, "%Le",  9.999e+99L);
   EQL (12, 13, "%Le",  9.9999e+99L);
   EQL (12, 13, "%Le",  9.99999e+99L);
+
+#if __DBL_DIG__ < __LDBL_DIG__
   EQL (12, 13, "%Le",  9.999999e+99L);
+#else
+  RNG (12, 13, 14, "%Le",  9.999999e+99L);
+#endif
 
   /* The actual output of the following directive depends on the rounding
      mode.  */