On 14 August 2013 05:03, Dominique Pellé <dominique.pe...@gmail.com> wrote:
<snip>

> I could narrow it down further.  I can reproduce it with:
>
> # Create a file (6 space and a x, bug does not happen with less than 6 
> spaces):
> $ echo "      x" > foo
> $ valgrind --log-file=valgrind.log vim -u NONE -N -c 'syn on' foo
>
> Then in Vim-7.4 (huge, Linux x86_64) search for:
> /\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!
>
> and observe errors in valgrind.log.
> Above regexp is actually used in syntax/ruby.rb:
>
> syn match rubyPredefinedConstant
> "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!"

Bug aside that pattern has been 'simplified' recently so the OP may
like to try out the latest ruby.vim syntax file (not included in 7.4).

Regards,
Doug

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