re PR target/57688 (-O3 -march=native generates illegal opcode on AMD Phenom)

	PR target/57688
	* common/config/i386/i386-common.c (ix86_handle_option): For OPT_mlzcnt
	add missing return true.

From-SVN: r200352

gcc/ChangeLog

+2013-06-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/57688
+	* common/config/i386/i386-common.c (ix86_handle_option): For OPT_mlzcnt
+	add missing return true.
+
 2013-06-23  Oleg Endo <olegendo@gcc.gnu.org>
 
 	PR target/52483

gcc/common/config/i386/i386-common.c

@@ -451,6 +451,7 @@ ix86_handle_option (struct gcc_options *opts,
 	  opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_LZCNT_UNSET;
 	  opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_LZCNT_UNSET;
 	}
+      return true;
 
     case OPT_mtbm:
       if (value)