10.12.2021 01:07:22 Robert Elz <k...@munnari.oz.au>:

>     Date:        Thu, 9 Dec 2021 22:25:58 +0000
>     From:        "Roland Illig" <ril...@netbsd.org>
>     Message-ID:  <20211209222558.cdf22f...@cvs.netbsd.org>
>   | No functional change.
>
> That obviously wasn't true.   That means that you just guessed at that,

I cannot defend against this argument. Indeed, I guessed, but that guess was 
backed up by several hundred lines of test code, essentially all cond-*.mk and 
especially cond-short.mk.  These tests made me reasonably sure that the 
behavior of the code wouldn't change.  The behavior did change though, and the 
change went unnoticed due to my lack of testing.  So even 100 % code coverage 
does not prevent all possible bugs.

I guess there's really no way around running the whole build before each 
commit, to reach a build success rate of 99.9 %.

Roland

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