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Re: [perl #133131] Blead Breaks CPAN: Devel::Cover

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Dave Mitchell
April 21, 2018 12:16
Re: [perl #133131] Blead Breaks CPAN: Devel::Cover
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On Sat, Apr 21, 2018 at 12:01:48PM +0100, Aaron Crane wrote:
> > Also, is it possible for you supply a test patch for Devel::Cover
> > so that such breakage gets spotted in future?
> This morning, at Ilmari's suggestion, I tried running Devel::Cover on
> a trivial loop using non-DEBUGGING builds of blead releases either
> side of the commit that introduced the optimisation, and the coverage
> data was identical (except for timings). As far as I can tell,
> Devel::Cover only measures coverage of the loop condition and body,
> not the OP_AND that does the conditional branching, so this specific
> difference isn't visible to it.

Ah, ok.

Overhead, without any fuss, the stars were going out.
    -- Arthur C Clarke

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