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[MC] Don't error on numberless .file directives on MachO

Authored by rnk on Feb 5 2019, 11:24 AM.



Before r349976, MC ignored such directives when producing an object file
and asserted when re-producing textual assembly output. I turned this
assertion into a hard error in both cases in r349976, but this makes it
unnecessarily difficult to write a single assembly file that supports
both MachO and other object formats that support .file. A user reported
this as PR40578, and we decided to go back to ignoring the directive.

Fixes PR40578

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rnk created this revision.Feb 5 2019, 11:24 AM
Herald added a project: Restricted Project. · View Herald TranscriptFeb 5 2019, 11:24 AM
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This revision is now accepted and ready to land.Feb 5 2019, 11:39 AM
This revision was automatically updated to reflect the committed changes.