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Re: [committed] Skip ICEing -frtl-abstract-sequences tests for MIPS
Mark Mitchell <mark@codesourcery.com> writes:
> Richard Sandiford wrote:
>> If there are strong objections to using skips this way, I'd rather
>> make -frtl-abstract-sequences trigger a sorry() for MIPS and PowerPC
>> instead of adding support for XFAILing ICEs.
>
> I think it's reasonable to argue for the sorry, but that we should still
> have the ability to XFAIL ICEs. If we expect a test case to cause an
> ICE in the current toolchain, then I think that meets every requirement
> of an XFAIL. We can XFAIL wrong code generation, and that's often a
> worse failure than an ICE.
There's a fundamental difference though: ICEs are things we know we
can already detect at compile time, whereas wrong-code bugs aren't.
In other words, the issue IMO isn't the seriousness of the problem,
it's our abiility to deal with it.
Richard