PR testsuite/79293 - gcc.dg/tree-ssa/builtin-sprintf.c fails starting with r244953

gcc/testsuite/ChangeLog:
	* gcc.dg/tree-ssa/builtin-sprintf.c: Relax long double test.

From-SVN: r245037

gcc/testsuite/ChangeLog

+2017-01-30  Martin Sebor  <msebor@redhat.com>
+
+	PR testsuite/79293
+	* gcc.dg/tree-ssa/builtin-sprintf.c: Relax long double test.
+
 2017-01-30  Martin Liska  <mliska@suse.cz>
 
 	PR gcov-profile/79259

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

@@ -721,7 +721,12 @@ test_g_long_double (void)
   RNG ( 10,  15, 16, "%Lg", 1.0L / 512);
 
   /* Numbers that are not exactly representable.  */
-  RNG ( 3, 13, 14, "%Lg", 0.1L);
+
+  /* The following test case results in up to 14 bytes on powerpc*-*-*
+     but only in 13 bytes on x86_64 (see PR testsuite/79293).  Test just
+     for the former for simplicity.  */
+  RNG ( 3, 14, 15, "%Lg", 0.1L);
+
   RNG ( 4, 13, 14, "%Lg", 0.12L);
   RNG ( 5, 13, 14, "%Lg", 0.123L);
   RNG ( 6, 13, 14, "%Lg", 0.1234L);