Re: [bug-gawk] gawk: testext.awk:14: fatal error: internal error

[Hermann Peifer]

On 2013-08-22 10:15, Aharon Robbins wrote:
> Hi.
>
> > The below fatal error comes with commit 7d19cbd "Changes to ENVIRON
> > reflect into the environment."
> >
> > I guess that the issue is Mac-related. I am here on Mac OS X Lion 10.7.5
>
> This (obviously) does not reproduce on my GNU/Linux system. Can you
> please send a stack trace?  Steps:
>
>         ulimit -c unlimited     # enable core dumps
>         cd gawk-source-dir
>         make clean
>         vi Makefile     # remove -O or -O[0-9] from compile flags
>         make
>         run test program, generate core dump
>         gdb ./gawk core
>         (gdb) where     # produce stack trace
>         (gdb) quit

Here you are. I hope I got it right. Hermann

$ ggdb ./gawk
GNU gdb (GDB) 7.6
Copyright (C) 2013 Free Software Foundation, Inc.
(...)
Reading symbols from /Users/peifer/local/src/gawk/gawk...done.

(gdb) run 'BEGIN{ENVIRON["test"]++}'
Starting program: /Users/peifer/local/src/gawk/gawk 
'BEGIN{ENVIRON["test"]++}'

Program received signal SIGSEGV, Segmentation fault.
0x00007fff89532f0c in setenv () from /usr/lib/system/libsystem_c.dylib

(gdb) where
#0  0x00007fff89532f0c in setenv () from /usr/lib/system/libsystem_c.dylib
#1  0x00000001000a7442 in env_store (symbol=0x10081dff8, 
subs=0x10081df48) at str_array.c:798
#2  0x000000010005494b in r_interpret (code=0x100301b50) at 
/Users/peifer/local/src/gawk//interpret.h:751
#3  0x0000000100076606 in main (argc=2, argv=0x7fff5fbff808) at main.c:729
(gdb) quit