On Linux/x86, revision 172872 gave FAIL: gcc.dg/tree-prof/val-prof-2.c scan-tree-dump optimized "n_[0-9]* \+ 0xffff " Revision 172869 is OK.
It is caused by revision 172871: http://gcc.gnu.org/ml/gcc-cvs/2011-04/msg01067.html
Mine. Looks like a testsuite issue.
Author: rguenth Date: Tue Apr 26 10:03:12 2011 New Revision: 172955 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172955 Log: 2011-04-26 Richard Guenther <rguenther@suse.de> PR testsuite/48753 * gcc.dg/tree-prof/val-prof-2.c: Adjust. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c
Fixed.
On Linux/ia32, revision 172962 gave FAIL: gcc.dg/tree-prof/val-prof-2.c scan-tree-dump optimized "n_[0-9]* \+ 4294967295"
Author: jakub Date: Tue Apr 26 13:31:17 2011 New Revision: 172966 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172966 Log: PR testsuite/48753 * gcc.dg/tree-prof/val-prof-2.c: Adjust for 32-bit HWI. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c