Fixed with be9e19efd97755cfd , tests needed!
> On 10 Nov 2017, at 03:28, David Lowe <j.david.l...@gmail.com> wrote:
>
> This crash still occurs with rakudo 2017.10.
>
> On Thu, Oct 5, 2017 at 9:10 PM, perl6 via RT <perl6-bugs-follo...@perl.org>
> wrote:
> Greetings,
>
> This message has been automatically generated in response to the
> creation of a trouble ticket regarding:
> "segmentation fault while concurrently updating SetHash",
> a summary of which appears below.
>
> There is no need to reply to this message right now. Your ticket has been
> assigned an ID of [perl #132225].
>
> Please include the string:
>
> [perl #132225]
>
> in the subject line of all future correspondence about this issue. To do so,
> you may reply to this message.
>
> Thank you,
> perl6-bugs-follo...@perl.org
>
> -------------------------------------------------------------------------
> This short program crashes reliably (with a segmentation fault) on my
> system:
>
> ```
> #!/usr/bin/env perl6
>
> use v6.c;
>
> my $lock = Lock.new;
> my $set = SetHash.new;
> await (^12).map: {
> start {
> for (^1000) {
> $lock.protect: { $set<1> = True }
> $lock.protect: { $set<1> = False }
> }
> }
> }
> ```
>
> More information:
>
> ```
> $ perl6 --version
> This is Rakudo version 2017.09 built on MoarVM version 2017.09.1
> implementing Perl 6.c.
> ```
>
>
