builtin-sprintf-warn-1.c: Adjust regex to accept singular form of byte when quantity is unknown.

2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>

gcc/testsuite/
    * gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust regex to accept
    singular form of byte when quantity is unknown.

From-SVN: r240503

gcc/testsuite/ChangeLog

+2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust regex to accept
+	singular form of byte when quantity is unknown. 
+
 2016-09-26  Marek Polacek  <polacek@redhat.com>
 
 	* g++.dg/cpp1z/feat-cxx1z.C: Test attribute fallthrough.

gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c

@@ -98,9 +98,9 @@ void test_sprintf_p_const (void)
 
   /* The exact output for %p is unspecified by C.  Two formats are known:
      same as %tx (for example AIX) and same as %#tx (for example Solaris).  */
-  T (0, "%p",     (void*)0x1);    /* { dg-warning ".%p. directive writing . bytes into a region of size 0" } */
-  T (1, "%p",     (void*)0x12);   /* { dg-warning ".%p. directive writing . bytes into a region of size 1" } */
-  T (2, "%p",     (void*)0x123);  /* { dg-warning ".%p. directive writing . bytes into a region of size 2" } */
+  T (0, "%p",     (void*)0x1);    /* { dg-warning ".%p. directive writing . bytes? into a region of size 0" } */
+  T (1, "%p",     (void*)0x12);   /* { dg-warning ".%p. directive writing . bytes? into a region of size 1" } */
+  T (2, "%p",     (void*)0x123);  /* { dg-warning ".%p. directive writing . bytes? into a region of size 2" } */
 
   /* GLIBC and uClibc treat the ' ' flag with the "%p" directive the same
      as with signed integer conversions (i.e., it prepends a space).  Other