https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70886
Bug ID: 70886 Summary: -frename-registers causes boostrap comparison failures on ia64 Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: build Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org Target Milestone: --- Target: ia64-*-* Since -frename-registers was enabled by default with -O2 there are boostrap comparison failures on ia64. Bootstrap comparison failure! gcc/ada/sem_ch12.o differs gcc/ada/scos.o differs The differences are rather complex, but may be equivalent.