GNU gdb 6.3
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This GDB was configured as "i586-pc-haiku"...(no debugging symbols found)

[tcsetpgrp failed in terminal_inferior: Invalid Argument]
Thread 26366 caused an exception: Segment violation
Reading symbols from /boot/beos/system/lib/libroot.so...done.
Loaded symbols for /boot/beos/system/lib/libroot.so
[tcsetpgrp failed in terminal_inferior: Invalid Argument]
[Switching to team /boot/home/gcc-obj/build-i586-pc-haiku/fixincludes/fixincl (26366
) thread fixincl (26366)]
0x0020ef83 in xregexec ()
(gdb) bt
#0  0x0020ef83 in xregexec ()
#1  0x00206440 in egrep_test ()
#2  0x00206b83 in fix_applies ()
#3  0x00206ef0 in process ()
#4  0x00205908 in main ()
(gdb) 
#0  0x0020ef83 in xregexec ()
#1  0x00206440 in egrep_test ()
#2  0x00206b83 in fix_applies ()
#3  0x00206ef0 in process ()
#4  0x00205908 in main ()
(gdb)