Segv on binding to one self and saying it

[p6rt]

Migrated from rt.perl.org#125371 (status was 'open')

Searchable as RT125371$

[p6rt]

From @lizmat

[20​:53​:15] <lizmat> m​: my $a := $a; say $a # jackpot!
[20​:53​:16] <+camelia> rakudo-moar 80f8ef​: OUTPUT«(signal SEGV)»

[p6rt]

From @lizmat

On 09 Jun 2015, at 21​:10, Elizabeth Mattijsen (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Elizabeth Mattijsen
# Please include the string​: [perl #​125371]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=125371 >

[20​:53​:15] <lizmat> m​: my $a := $a; say $a # jackpot!
[20​:53​:16] <+camelia> rakudo-moar 80f8ef​: OUTPUT«(signal SEGV)»

Related​:

21​:10​:53] <lizmat> m​: my $a := $a; say $a.Str
[21​:10​:53] <+camelia> rakudo-moar 80f8ef​: OUTPUT«Cannot call method 'Str' on a null object␤ in block <unit> at /tmp/bu5hgP8_WK​:1␤␤»

Liz

[p6rt]

From @skids

possibly related​:

02​:58​:09 PM) skids​: m​: my multi bar ($) { }; my sub foo () { my $q := bar($q); }; foo();
(02​:58​:09 PM) camelia​: rakudo-moar add282​: OUTPUT«(signal SEGV)»

[p6rt]

The RT System itself - Status changed from 'new' to 'open'

[p6rt]

From @FROGGS

Patch​: rakudo/rakudo@3754356d8e
Test​: Raku/roast@cddf3a26a4

[p6rt]

@FROGGS - Status changed from 'open' to 'resolved'

[p6rt]

@AlexDaniel - Status changed from 'resolved' to 'open'

[lizmat]

This does not appear to segv anymore, so why was this opened again?

[AlexDaniel]

@lizmat ah, I remember this one. See rakudo/rakudo#1020