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Null PMC access when doing 'use v5' inside of a block in Rakudo #2127

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p6rt opened this issue Aug 31, 2010 · 6 comments
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Null PMC access when doing 'use v5' inside of a block in Rakudo #2127

p6rt opened this issue Aug 31, 2010 · 6 comments
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Bug testneeded

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@p6rt
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p6rt commented Aug 31, 2010

Migrated from rt.perl.org#77596 (status was 'resolved')

Searchable as RT77596$
@p6rt
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p6rt commented Aug 31, 2010

From @masak

<alksentrs> rakudo​: { use v5; }
<p6eval> rakudo f8e959​: OUTPUT«Null PMC access in setprop() [...]
<TimToady> alksentrs++
* masak submits 'use v5' rakudobug
<masak> alksentrs++
<masak> rakudo​: use v5; say "alive"
<p6eval> rakudo f8e959​: OUTPUT«alive␤»

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p6rt commented Oct 9, 2011

From @coke

On Tue Aug 31 16​:37​:24 2010, masak wrote​:

<alksentrs> rakudo​: { use v5; }
<p6eval> rakudo f8e959​: OUTPUT«Null PMC access in setprop() [...]
<TimToady> alksentrs++
* masak submits 'use v5' rakudobug
<masak> alksentrs++
<masak> rakudo​: use v5; say "alive"
<p6eval> rakudo f8e959​: OUTPUT«alive␤»

12​:13 < [Coke]> rakudo​: { use v5; }
12​:13 <+p6eval> rakudo f6eb61​: ( no output )

Closable with tests.

--
Will "Coke" Coleda

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p6rt commented Oct 9, 2011

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

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p6rt commented Oct 21, 2012

From @coke

On Sun Oct 09 09​:14​:09 2011, coke wrote​:

On Tue Aug 31 16​:37​:24 2010, masak wrote​:

<alksentrs> rakudo​: { use v5; }
<p6eval> rakudo f8e959​: OUTPUT«Null PMC access in setprop() [...]
<TimToady> alksentrs++
* masak submits 'use v5' rakudobug
<masak> alksentrs++
<masak> rakudo​: use v5; say "alive"
<p6eval> rakudo f8e959​: OUTPUT«alive␤»

12​:13 < [Coke]> rakudo​: { use v5; }
12​:13 <+p6eval> rakudo f6eb61​: ( no output )

Closable with tests.

Test added in S01-perl-5-integration/basic.t, fudged for rakudo, running test.

--
Will "Coke" Coleda

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p6rt commented Oct 21, 2012

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

@p6rt p6rt closed this as completed Oct 21, 2012
lizmat added a commit to Raku/roast that referenced this issue Jan 12, 2020
@lizmat
Cannot change languages in *any* scope
1080f6d 
Related to Raku/old-issue-tracker#2127 .
It is my understanding that it will never be possible to change
language inside a scope.  Please revert this if this assumption
is wrong.
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lizmat commented Jan 12, 2020

Raku/roast@1080f6d2c1 changed the test for this issue.

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