Starting with r148080 we compare libgcc objects in addition to gcc objects during bootstrap. The 32 bit PA bootstrap build is failing because the libgcc objects are different. It looks like it is the debug section that has differences but I haven't got any further then that in my analysis.
-- Summary: bootstrap comparision fails on 32 bit PA when comparing libgcc objects Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: build Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: sje at cup dot hp dot com GCC host triplet: hppa2.0w-hp-hpux11.11 GCC target triplet: hppa2.0w-hp-hpux11.11 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40338