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This queue is for tickets about the List-MoreUtils CPAN distribution.

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Id: 38699
Status: resolved
Priority: 0/
Queue: List-MoreUtils

Owner: VPARSEVAL [...]
Requestors: user42 [...]

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Severity: (no value)
Broken in: (no value)
Fixed in: (no value)

Subject: segv from part() on two stack grows [XS]
Date: Mon, 25 Aug 2008 10:50:09 +1000
To: bug-list-moreutils [...]
From: Kevin Ryde <user42 [...]>
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With the debian packaged perl 5.10.0 and list-moreutils 0.22 the program below gets a segv, where I hoped it would print 1025, which is the case with the pure-perl code (commented out BEGIN in the program). The grow_the_stack() is supposed to provoke a stack move (like other report). The 1024 return from the part() block is supposed to provoke another one at "EXTEND(SP,last)" near the end of the part(). I suspect POP_MULTICALL of perl 5.10.0 doesn't do an SPAGAIN, unlike what the fallbacks and multicall.h, so SP isn't up to date at the point of that EXTEND.
text/x-perl 342b

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I just released a new version of 0.23 where unfortunately the fix you submitted is commented out (worse even, using a C++ comment), presumably in an effort to reproduce this. I was never able to but I have no doubt that your patch fixes a real problem that manifests itself elsehwhere. 0.24 will follow very soon and it will include your patch. Sorry for that. Tassilo
That's fixed

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