[Bug gdb/15453] Free Pascal and Lazarus: Internal-error TYPE_CODE_UNDEF and crash when executing command 'ptype Form1.Test'

["evvke at hotmail dot com" <sourceware-bugzilla@sourceware.org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15453

--- Comment #2 from evvke at hotmail dot com 2013-05-10 11:19:50 UTC ---
Backtrace from GDB which are built from 7.6 source. 

#0 0x767143f9 in strlen () from C:\windows\syswow64\msvcrt.dll
0000001 0x006470d7 in xstrdup (s=0x0) at ./xstrdup.c:33
0000002 0x0044db2c in mi_cmd_interpreter_exec (
    command=0x6c286a <__PRETTY_FUNCTION__.21574+3209> "-interpreter-exec",
    argv=0x2a0fc40, argc=2) at ./mi/mi-interp.c:270
0000003 0x004512e2 in captured_mi_execute_command (context=0x311c70,
    uiout=0x312740) at ./mi/mi-main.c:1923
0000004 mi_execute_command (cmd=0x6d23960 "ptype Form1.Test", from_tty=1)
    at ./mi/mi-main.c:2003
0000005 0x0044c5d4 in mi_execute_command_wrapper (
    cmd=0x6d23960 "ptype Form1.Test") at ./mi/mi-interp.c:311
0000006 mi_execute_command_input_handler (cmd=0x6d23960 "ptype Form1.Test")
    at ./mi/mi-interp.c:319
0000007 0x004eb0e4 in handle_file_event (data=...) at event-loop.c:768
0000008 0x004eb4df in process_event () at event-loop.c:342
0000009 process_event () at event-loop.c:314
0000010 0x004eb845 in gdb_do_one_event () at event-loop.c:406
0000011 0x004eb997 in start_event_loop () at event-loop.c:431
0000012 0x004e5d22 in captured_command_loop (data=0x0) at main.c:258
0000013 0x004e4a73 in catch_errors (func=0x4e5d10 <captured_command_loop>,
    func_args=0x0, errstring=0x6fe967 <__PRETTY_FUNCTION__.11251+213> "",
    mask=6) at exceptions.c:546
0000014 0x004e67e9 in captured_main (data=0x2a0feb0) at main.c:1041
0000015 0x004e4a73 in catch_errors (func=0x4e5ed0 <captured_main>,
    func_args=0x2a0feb0,
    errstring=0x6fe967 <__PRETTY_FUNCTION__.11251+213> "", mask=6)
    at exceptions.c:546
0000016 0x004e6de0 in gdb_main (args=0x2a0feb0) at main.c:1050
0000017 0x006a3748 in main (argc=5, argv=0x318a0) at gdb.c:34

These commands were run before executing process:

"maint set internal-error quit no"
"maint set internal-warning quit no"
"maint set internal-error corefile no"

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