I get the following error while bootstrapping on PPC with -O2 -funroll-loops -funsafe-math-optimizations:
(gcc version 4.3.0 20070401) rm -f stage_current make[3]: Leaving directory `/home/revital/last_bootstrap/build' Comparing stages 2 and 3 warning: ./cc1obj-checksum.o differs warning: ./cc1-checksum.o differs warning: ./cc1plus-checksum.o differs Bootstrap comparison failure! ./ipa-inline.o differs -- Summary: Bootstrap failure with -O2 -funroll-loops -funsafe-math- optimizations options on PPC Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eres at il dot ibm dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31418