[PATCH] Improve big-endian support for ARM and AArch64

[Charlie Turner]

Hi,

> ** Second, Windows machines failed, since they don't support Dwarf:
>
> http://bb.pgr.jp/builders/ninja-x64-msvc-RA-centos6/builds/6585
>
> Eric hinted to look at nearby tests and make sure to follow the same pattern.

Any elaboration on what nearby tests are doing to avoid this? I was under the impression that the problem with my tests was that COFF (and MachO) objects files are not supported by RelocVisitor as used by DWARFContext, only ELF files are supported by that visitor, so the relocation always fail to get processed on Windows machines because of COFF. I don't actually see a log of what went from with my processes-relocations.ll test case from the build URL.

I didn't see Eric's hint, but I assume it was something to do with adding REQUIRES: object-emission to stop the failing test on Hexagon. Is that right?

A pointer to a robust test case for this would be appreciated.

Thanks,
Charlie.

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