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Looping over unitialized shaped array no longer works (my @array[8]; .say for @array) #5946

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p6rt opened this issue Dec 30, 2016 · 6 comments
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@p6rt
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@p6rt p6rt commented Dec 30, 2016

Migrated from rt.perl.org#130451 (status was 'resolved')

Searchable as RT130451$

@p6rt
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@p6rt p6rt commented Dec 30, 2016

From @AlexDaniel

Code​:
my @​array[8]; .say for @​array

Result (2015.12,2016.10)​:
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)

Result (HEAD)​:
X​::TypeCheck​::Binding exception produced no message
in block <unit> at /tmp/KMCq_pgtBj line 1

Nevermind that the error message is LTA, there should be no error at all in this case.

Bisectable points to rakudo/rakudo@dcfd4ed

@p6rt
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@p6rt p6rt commented Dec 30, 2016

From @lizmat

Fixed with 696b1f4, tests needed.

The problem could be reduced to​:

  (my @​[1]).iterator.pull-one

Somehow the binding to AT-POS-CONTAINER failed, and I wasn’t able to find what exactly was wrong with it. So don’t use AT-POS-CONTAINER at all. Also fix some stupidity in the push-all case, that could cause an array with nulls instead of containers to be filled to exist.

On 30 Dec 2016, at 03​:44, Aleks-Daniel Jakimenko-Aleksejev (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Aleks-Daniel Jakimenko-Aleksejev
# Please include the string​: [perl #​130451]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=130451 >

Code​:
my @​array[8]; .say for @​array

Result (2015.12,2016.10)​:
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)

Result (HEAD)​:
X​::TypeCheck​::Binding exception produced no message
in block <unit> at /tmp/KMCq_pgtBj line 1

Nevermind that the error message is LTA, there should be no error at all in this case.

Bisectable points to rakudo/rakudo@dcfd4ed

@p6rt
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@p6rt p6rt commented Dec 30, 2016

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

@p6rt
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@p6rt p6rt commented Sep 1, 2017

From @skids

On Fri, 30 Dec 2016 03​:43​:02 -0800, elizabeth wrote​:

Fixed with 696b1f4, tests needed.

The problem could be reduced to​:

(my @​[1]).iterator.pull-one

Somehow the binding to AT-POS-CONTAINER failed, and I wasn’t able to
find what exactly was wrong with it. So don’t use AT-POS-CONTAINER at
all. Also fix some stupidity in the push-all case, that could cause
an array with nulls instead of containers to be filled to exist.

On 30 Dec 2016, at 03​:44, Aleks-Daniel Jakimenko-Aleksejev (via RT)
<perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Aleks-Daniel Jakimenko-Aleksejev
# Please include the string​: [perl #​130451]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=130451 >

Code​:
my @​array[8]; .say for @​array

Result (2015.12,2016.10)​:
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)

Result (HEAD)​:
X​::TypeCheck​::Binding exception produced no message
in block <unit> at /tmp/KMCq_pgtBj line 1

Nevermind that the error message is LTA, there should be no error at
all in this case.

Bisectable points to
rakudo/rakudo@dcfd4ed

tests added in 130451, closing.

@p6rt
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@p6rt p6rt commented Sep 1, 2017

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

@p6rt p6rt closed this Sep 1, 2017
@p6rt
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@p6rt p6rt commented Sep 1, 2017

From @skids

On Thu, 31 Aug 2017 18​:09​:31 -0700, bri@​abrij.org wrote​:

On Fri, 30 Dec 2016 03​:43​:02 -0800, elizabeth wrote​:

Fixed with 696b1f4, tests needed.

The problem could be reduced to​:

(my @​[1]).iterator.pull-one

Somehow the binding to AT-POS-CONTAINER failed, and I wasn’t able to
find what exactly was wrong with it. So don’t use AT-POS-CONTAINER
at
all. Also fix some stupidity in the push-all case, that could cause
an array with nulls instead of containers to be filled to exist.

On 30 Dec 2016, at 03​:44, Aleks-Daniel Jakimenko-Aleksejev (via RT)
<perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Aleks-Daniel Jakimenko-Aleksejev
# Please include the string​: [perl #​130451]
# in the subject line of all future correspondence about this
issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=130451 >

Code​:
my @​array[8]; .say for @​array

Result (2015.12,2016.10)​:
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)
(Any)

Result (HEAD)​:
X​::TypeCheck​::Binding exception produced no message
in block <unit> at /tmp/KMCq_pgtBj line 1

Nevermind that the error message is LTA, there should be no error
at
all in this case.

Bisectable points to
rakudo/rakudo@dcfd4ed

tests added in 130451, closing.

I mean, in 6b151a174a

@p6rt p6rt added the testneeded label Jan 5, 2020
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