| Subject: | segv from part() on two stack grows [XS] |
| Date: | Mon, 25 Aug 2008 10:50:09 +1000 |
| To: | bug-list-moreutils [...] rt.cpan.org |
| From: | Kevin Ryde <user42 [...] zip.com.au> |
With the debian packaged perl 5.10.0 and list-moreutils 0.22 the program
part-grow.pl 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.
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