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Don't zero non-real arrays #18690

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Don't zero non-real arrays #18690

wants to merge 1 commit into from

Commits on Apr 5, 2021

  1. Don't zero non-real arrays 

    A minor difference in behaviour introduced by the rewrite of av_extend_guts
in 440c185 and 399fef9 is that when the SV* array is first acquired, we
now zero its contents regardless of whether that is needed - and add an
extra label and 'goto' to do so.

This commit restores the original behavious: for non-refcounted arrays such
as @_ and pad arrays this is not needed, and for pads in particular we may
hit this path many times during the course of a program.
    @hvds
    hvds committed Apr 5, 2021
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