On 12/10/14 7:52 AM, Ruslan Mullakhmetov wrote:
On Wednesday, 10 December 2014 at 08:46:12 UTC, Ruslan Mullakhmetov wrote:
yes. that was the mistake. also after fixing bug in Blk Attributes
printing i got more reasonable attrs

for object blk: FINALIZE
for array of objects blk: NO_SCAN APPENDABLE

this is sound good except for NO_SCAN.

...
the other question why this happens... try to debug more.

I've done more dubugging.

what i've found:

initially array blk has only attrs APPENDABLE, but after some time this
blk is shrinked and reallocated (moved) and then NO_SCAN attr appears.


here the output of my extended logs:

--------
before tag: 1 len: 2 ptr: 103DD9058 root: 103DD8000:8192 attr: APPENDABLE
after tag: 1 len: 3 ptr: 103A21DD0 root: 103A21DC0:64 attr: NO_SCAN
APPENDABLE
--------

this is produced by the following code

http://dpaste.dzfl.pl/0c6dc16270a1

so in a nutshell after appending to array via ~= operator blk attrs
changed from APPENDABLE to NO_SCAN APPENDABLE which cause the problem.

why and how this happens? can anybody explain it to me?

I have an idea of what is happening, I will do some testing. Thanks for debugging this so far, this is useful info.

This is *definitely* a bug, if the code you gave is what caused that output. Appending should not add the NO_SCAN tag.

-Steve

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