Resolve DejaGnu hard stop

	gcc/testsuite/
	* gcc.target/i386/addr-space-3.c: Fix quoting in dg-final
	scan-assembler directive.

From-SVN: r230038

gcc/testsuite/ChangeLog

+2015-11-09  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* gcc.target/i386/addr-space-3.c: Fix quoting in dg-final
+	scan-assembler directive.
+
 2015-11-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	PR target/68129

gcc/testsuite/gcc.target/i386/addr-space-3.c

 /* { dg-do compile } */
 /* { dg-options "-O" } */
-/* { dg-final { scan-assembler "[fg]s:0" } } */
+/* { dg-final { scan-assembler "\[fg]s:0" } } */
 
 void test(int *y)
 {