[PATCH] D134905: [clang] [Driver] Disable default configs via envvar during testing

[Fangrui Song via Phabricator via cfe-commits]

MaskRay accepted this revision.
MaskRay added a comment.
This revision is now accepted and ready to land.

But `CCC_OVERRIDE_OPTIONS=+--no-default-config` leaves an annoying notice, so I guess introducing a new environment variable is still fine.


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  https://reviews.llvm.org/D134905/new/

https://reviews.llvm.org/D134905