I can reproduce this in the VC++ debugger and I will
investigate further.  Thanks for the simple repro.



----- Original Message -----
From: bill lam <[email protected]>
Date: Monday, May 16, 2011 16:00
Subject: Re: [Jgeneral] Incorrect results in j701 - small testcase
To: [email protected]

> It can be further trimmed down, in a clean session,
>    b=: 2 ]/\ 3 2$0 4 0 2 2 2
>    smoutput b
>          
> 0          0
> 2147483647 2147483647
> 
> Пнд, 16 Май 2011, Henry Rich писал(а):
> > I have cut this down to the following:
> > 
> > smoutput >: ] , 1000> |  b =: 2 ]/\ 0 1 2 { 3 2$ 0 4 0 2 
> 2 2
> > smoutput b
> > 
> > On my machine (J602) this produces the output
> > 2 2 2 2
> >           
> 0          0
> > 2147483647 2147483647
> > 
> > If you get rid of anything, it doesn't produce the obvious 
> error.  I 
> > have no idea where the corruption occurs.
> > 
> > Henry Rich
> > 
> > 
> > On 5/16/2011 5:48 PM, Arthur Anger wrote:
> > > On Sun, 15 May 2011 10:34:16 -0400, Eric 
> Iverson<[email protected]>> > wrote:
> > > . . .
> > >> The simplest demonstration of the bug starting with a clean 
> J session
> > >> would help. bdysegs probably means something to those who 
> have been
> > >> following closely, but it would be far better to have the 
> complete set
> > >> of simple statements in a clean start (jconsole if 
> possible) that show
> > >> the bug.
> > > . . .
> > > ----------------
> > > The simple demonstration I have now found points to two 
> conditions:> > --use of ]/\
> > > --execution during load
> > >
> > > The script:
> > > smoutput 'Redisplay bb and bx after load.'
> > > smoutput 'bb: ', ": bb=: 2 ]/\ i. 10
> > > smoutput 'bx: ', ": bx=: 2 ] \ i. 10
> > >
> > > The console log:
> > > Last login: Mon May 16 09:47:14 on ttys000
> > > /Applications/j701/bin/jconsole ; exit;
> > > AAMac:~ Anger$ /Applications/j701/bin/jconsole ; exit;
> > >     ] bb=: 2 ]/\ i. 10
> > > 1 2 3 4 5 6 7 8 9
> > >     bb
> > > 1 2 3 4 5 6 7 8 9
> > >     smoutput bb
> > > 1 2 3 4 5 6 7 8 9
> > >     load '/Users/Anger/j602-user/bad2.ijs'
> > > Redisplay bb and bx after load.
> > > bb: 1 2 3 4 5 6 7 8 9
> > > bx:
> > > 0 1
> > > 1 2
> > > 2 3
> > > 3 4
> > > 4 5
> > > 5 6
> > > 6 7
> > > 7 8
> > > 8 9
> > >     bb
> > > 1 825303088 540160544 874525491 892674100 540423712 
> 941635383 3743800 0
> > >     bx
> > > 0 1
> > > 1 2
> > > 2 3
> > > 3 4
> > > 4 5
> > > 5 6
> > > 6 7
> > > 7 8
> > > 8 9

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