[lucier@cohomology gambit]$ gdb ../../../gsc/gsc
GNU gdb 6.3
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

(gdb) run -c fib.scm
Starting program: /home/lucier/programs/gambc40b11/gsc/gsc -c fib.scm

Program received signal SIGSEGV, Segmentation fault.
0x081541ae in ___H__20___front (___ps=0x8481ea0) at _front.c:7075
7075       ___SET_R2(___FIXMAX(___R3,___R2))
(gdb) info locals
___pc = 137816529
___start = 137799889
___temp = Variable "___temp" is not available.
(gdb) ,e
Undefined command: "".  Try "help".
(gdb) info locals
___pc = 137816529
___start = 137799889
___temp = Variable "___temp" is not available.
(gdb) p ___r3
Variable "___r3" is not available.
(gdb) The program is running.  Exit anyway? (y or n) [lucier@cohomology gambit]$

The compile line for the file was

gcc -g -save-temps -I../include -Wall -W -Wno-unused -O1 -fno-math-errno -fschedule-insns2 -fno-trapping-math -fno-strict-aliasing -fPIC -fno-common -mieee-fp -DHAVE_CONFIG_H -c _front.c

The compiler was

[lucier@cohomology gsc]$ gcc -v
Reading specs from /home/lucier/local/bin/../lib/gcc/i686-pc-linux-gnu/4.0.0/specs
Configured with: ../configure --prefix=/home/lucier/local/ --enable-languages=c --enable-checking=no
Thread model: posix
gcc version 4.0.0 20041215 (experimental)
