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Re: Fix heisenbug in combine.c
Eric Christopher <echristo@redhat.com> writes:
>> There was no range check on the access to the global_regs[] array.
>> Accordingly, whenever we hit this point with a pseudo, combine would
>> randomly decide not to delete a dead insn. One of my IMA patches
>> provoked this into causing bootstrap comparison failures - frankly I'm
>> surprised no one noticed earlier.
>
> This may be what was causing bootstrap failures with my last combine
> patch on 3.4 and 3.3. Can you check please?
I'm juggling about five tasks at the moment, sorry.
zw