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Re: Technique for finding regressions in the C++ parser
- From: Mike Stump <mrs at apple dot com>
- To: Craig Rodrigues <rodrigc at attbi dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 2 Dec 2002 15:25:46 -0800
- Subject: Re: Technique for finding regressions in the C++ parser
On Friday, November 29, 2002, at 06:34 PM, Craig Rodrigues wrote:
You can repeat steps (2)-(4), but use the cvs co -D [DATE] to check out
a version of GCC from a different date.
You want to use the syntax 128 days ago, 64 days ago, 32 days ago, 16
days ago.... Also, in the absence of other information, you want to
binary search. Further, if you have lots of bugs to do this with, you
want to cache cc1plus binaries, and use those first, before building
anything.
If you build often, and have extra disk space, you can squirrel away
cc1plus binaries into the cache to prime future searches. Saving about
one a week is good.