There are already two other problem reports for failures of this test: PR target/26726 for i?86 and x86_64, and PR target/27707 for hppa. Those are not regressions. The test started failing for powerpc64-linux-gnu, both -m32 and -m64, with this patch:
http://gcc.gnu.org/viewcvs?view=rev&rev=128272 r128272 | rakdver | 2007-09-08 13:18:49 +0000 (Sat, 08 Sep 2007) Test results for other powerpc targets show that they start failing later; here are the targets and the ranges in which they start failing, plus a couple of arm targets: powerpc-ibm-aix5.3.0.0 2007-10-20 to 2007-10-30 powerpc-apple-darwin8.5.0 2007-10-24 to 2007-11-01 arm-none-eabi 2007-10-27 to 2007-10-29 arm-none-linux-gnueabi 2007-12-25 to 2007-12-26 I'll find out which patches caused the test to start failing for these targets. -- Summary: g++.dg/tree-ssa/ivopts-1.C fails for power Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: janis at gcc dot gnu dot org GCC target triplet: powerpc*-*-linux* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34711