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[Driver] Loosen test for LLVM findNearest

Description

[Driver] Loosen test for LLVM findNearest

Summary:
When https://reviews.llvm.org/D46776 landed to improve the behavior of
llvm::OptTable::findNearest, a PS4 buildbot began failing due to an
assertion that a suggestion "-debug-info-macro" should be provided for
the unrecognized option clang -cc1as -debug-info-macros. All other
buildbots succeeded in this check, and the PS4 buildbot succeeded in the
other findNearest tests.

Temporarily loosen this check in order to reland the findNearest
change.

Test Plan: check-clang

Details

Committed
modocacheMay 19 2018, 4:46 AM
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Is that test not reproducible locally?
I’m always afraid of temporary changes to tests becoming permanent, sorry.

Thank you,
Filipe

Filipe,

Yes, unfortunately I haven’t been able to reproduce this locally, on any build environment I have access to. There’s a discussion about this in https://reviews.llvm.org/D46776, but I can’t figure out why the buildbots wouldn’t behave the same way. Passing ‘-triple x86_64-scei-ps4-ubuntu’ as suggested there doesn’t make a difference for me locally. And indeed the argument parsing occurs before the triple is taken into account anyway, so it makes sense to me that it wouldn’t make a difference.

I understand your concern; my plan is to land the findNearest change, confirm the buildbots pass, and then attempt to add this check back. I understand that’s not ideal…

  • Brian

From: Filipe Cabecinhas <filcab+llvm.phabricator@gmail.com>
Date: Saturday, May 19, 2018 at 8:46 AM
To: <reviews+COMMIT485301+public+a4009d954f993322@reviews.llvm.org>
Cc: <modocache+llvmphabricator@gmail.com>
Subject: Re: [Diffusion] rC332804: [Driver] Loosen test for LLVM findNearest

Is that test not reproducible locally?

I’m always afraid of temporary changes to tests becoming permanent, sorry.

Thank you,

Filipe