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From: "Bart Schaefer" <schaefer@candle.brasslantern.com>
Message-Id: <000411145647.ZM8972@candle.brasslantern.com>
Date: Tue, 11 Apr 2000 14:56:47 -0700
In-Reply-To: <20000411213823.B1605@thelonious.new.ox.ac.uk>
Comments: In reply to Adam Spiers <adam@spiers.net>
        "core dump with fc" (Apr 11,  9:38pm)
References: <20000411213823.B1605@thelonious.new.ox.ac.uk>
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To: zsh workers mailing list <zsh-workers@sunsite.auc.dk>
Subject: Re: core dump with fc
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On Apr 11,  9:38pm, Adam Spiers wrote:
>
> Stack trace follows.  This /doesn't/ happen if I start up with -f

It *does* happen to me when I start up with -f.  Essentially the same
stack trace, but that value for `sub' doesn't look very good in frame #0.
(I have zsh-mem-debug etc. turned on, so that's probably a freed-memory
pattern.)

(gdb) where
#0  0x80538db in fcsubs (sp=0xbffff714, sub=0xffffffff)
    at ../../zsh-3.1.6/Src/builtin.c:1345
#1  0x8053b01 in fclist (f=0x80ce320, n=0, r=0, D=0, d=0, first=2, last=2, 
    subs=0x400e4898, pprog=0x0) at ../../zsh-3.1.6/Src/builtin.c:1410
#2  0x8053755 in bin_fc (nam=0x400e4848 "fc", argv=0xbffff7a4, 
    ops=0xbffff804 "", func=16) at ../../zsh-3.1.6/Src/builtin.c:1279
#3  0x80516ed in execbuiltin (args=0x400e47f8, bn=0x80b1aa8)
    at ../../zsh-3.1.6/Src/builtin.c:368
#4  0x8061526 in execcmd (state=0xbffffab8, input=0, output=0, how=18, last1=2)
    at ../../zsh-3.1.6/Src/exec.c:2254
#5  0x805e327 in execpline2 (state=0xbffffab8, pcode=259, how=18, input=0, 
    output=0, last1=0) at ../../zsh-3.1.6/Src/exec.c:1180
#6  0x805d8b7 in execpline (state=0xbffffab8, slcode=8194, how=18, last1=0)
    at ../../zsh-3.1.6/Src/exec.c:973
#7  0x805d2b5 in execlist (state=0xbffffab8, dont_change_job=0, exiting=0)
    at ../../zsh-3.1.6/Src/exec.c:820
#8  0x805cfb7 in execode (p=0x400e4778, dont_change_job=0, exiting=0)
    at ../../zsh-3.1.6/Src/exec.c:726
#9  0x8070922 in loop (toplevel=1, justonce=0)
    at ../../zsh-3.1.6/Src/init.c:150
#10 0x8050ce0 in main (argc=2, argv=0xbffffb34)
    at ../../zsh-3.1.6/Src/main.c:86