bug#17049: [PATCH] Make reverse! forego the cost of SCM_VALIDATE_LIST

[Andy Wingo]

Hi,

Thanks for the patch.  What is its performance impact for your use case?

On Thu 20 Mar 2014 12:23, David Kastrup <address@hidden> writes:

> +  /* We did not start with a proper list.  Undo the reversal. */

I'm hesitant.  This is visible to other threads.  (Granted there has to
be significant wrongness if we get here...)

Andy
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