[perl #132225] segmentation fault while concurrently updating SetHash

[Aleks-Daniel Jakimenko-Aleksejev via RT]

FWIW it always did that, not a regression.

On 2017-10-05 21:10:39, j.david.l...@gmail.com wrote:
> 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.
> ```