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morestack
2015 Nov 28
0
[patch] Use JIT for PCRE pattern matching
...nough for a segfault, but about 62000
were needed on Windows.
Even with the patch, segmentation faults will occur if the character
vector used as input has less than 11 elements.
The cause of the segmentation fault, namely deep recursion and running
out of stack memory, is explained on the "pcrestack" man page
<http://pcre.org/original/doc/html/pcrestack.html>. Apparently this is
considered to be a feature, not a bug. It would be nice if R could
provide some protection against this, but it seems to be a non-trivial
task. Compiling the PCRE library with --disable-stack-for-recursion i...