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remove PL_regex_pad??

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Dave Mitchell
December 2, 2011 02:41
remove PL_regex_pad??
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Is there any reason to keep PL_regex_pad?

AFAICT, it's a mechanism to make PMOPs threadsafe by moving the regexp
pointer out of the (shared) PMOP. I'm speculating that it doesn't use the
existing 'move into pad' mechanism that makes other ops threadsafe (gv,
const etc), because at the time (1fcf4c126), regexps weren't SVs. Now that
that they are, perhaps we can do away with this secondary mechanism?

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