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bug#34910: 27.0.50; Too much matching reentrancy


From: Eli Zaretskii
Subject: bug#34910: 27.0.50; Too much matching reentrancy
Date: Tue, 19 Mar 2019 14:31:39 +0200

> From: Mattias Engdegård <address@hidden>
> Cc: address@hidden, address@hidden
> Date: Tue, 19 Mar 2019 13:25:13 +0100
> 
> What happened was that a regexp failed because of stack overflow, which
> caused lots of code to run and many regexps to be compiled, but the
> original (failing) regexp was still marked busy in the cache.
> Eventually, it had been pushed down to the last position in the cache,
> where it caused the next request for a free cache entry to fail with
> the reentrancy error.
> 
> This patch fixes it. Please review.

Thanks, this looked reasonable.  Let's wait for Daniel to comment.





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