[Bug target/60732] New: FAIL: g++.dg/ext/altivec-7.C -std=* scan-assembler _Z3fooDv*

["dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60732

            Bug ID: 60732
           Summary: FAIL: g++.dg/ext/altivec-7.C -std=*  scan-assembler
                    _Z3fooDv*
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: brooks at gcc dot gnu.org, iains at gcc dot gnu.org,
                    mikestump at comcast dot net
              Host: powerpc*-*-darwin*
            Target: powerpc*-*-darwin*
             Build: powerpc*-*-darwin*

The test g++.dg/ext/altivec-7.C has started to fail on powerpc-apple-darwin9
after r203469. The failures are silenced with the following patch

--- ../_gcc_clean/gcc/testsuite/g++.dg/ext/altivec-7.C    2013-10-13
00:58:24.000000000 +0200
+++ gcc/testsuite/g++.dg/ext/altivec-7.C    2014-02-20 13:57:47.000000000 +0100
@@ -2,6 +2,7 @@
 /* { dg-do compile { target powerpc*-*-* } } */
 /* { dg-require-effective-target powerpc_altivec_ok } */
 /* { dg-options "-maltivec" } */
+/* { dg-additional-options "-fabi-version=0" { target powerpc*-*-darwin* } }
*/

 #include <altivec.h>

Is there any reason why -fabi-version=0 is not the default on
powerpc*-*-darwin*?