[committed] Fix gcc.dg/ipa/ipa-pta-17.c on hppa2.0w-hp-hpux11.11

[John David Anglin]

Test uses alias attribute, so it needs dg-require-alias.  Tested on
hppa64-hp-hpux11.11.  Committed to trunk as obvious.

Dave
-- 
J. David Anglin                                  dave.ang...@nrc-cnrc.gc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6602)

2011-06-26  John David Anglin  <dave.ang...@nrc-cnrc.gc.ca>

        PR testsuite/49529
        * gcc.dg/ipa/ipa-pta-17.c: Use dg-require-alias.

Index: gcc.dg/ipa/ipa-pta-17.c
===================================================================
--- gcc.dg/ipa/ipa-pta-17.c     (revision 175404)
+++ gcc.dg/ipa/ipa-pta-17.c     (working copy)
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-require-alias "" } */
 /* { dg-options "-O -fipa-pta" } */
 
 static int i;