bug#11141: 24.0.94; crash with `x-popup-dialog'

["Drew Adams" <drew.adams@oracle.com>]

> No crash on latest trunk, x86_64-unknown-linux-gnu.  Maybe a Windows
> issue.  Any backtrace?

$ ./gdb -p 5128
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Attaching to process 5128
[New Thread 5128.0xfdc]
[New Thread 5128.0xc58]
[New Thread 5128.0x1584]
Reading symbols from C:\Emacs-24-2012-03-19\bin\emacs.exe...done.
[Switching to Thread 5128.0x1584]
Warning: c:\drews-lisp-20\bin/../lwlib: No such file or directory.
SIGINT is used by the debugger.
Are you sure you want to change it? (y or n) [answered Y; input not from
terminal]
Environment variable "DISPLAY" not defined.
TERM = cygwin
.gdbinit:1328: Error in sourced command file:
No symbol "Vsystem_type" in current context.
(gdb) c
Continuing.

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 5128.0xfdc]
0x7c90120f in ntdll!DbgUiConnectToDbg () from C:\WINDOWS\system32\ntdll.dll
(gdb) bt
#0  0x7c90120f in ntdll!DbgUiConnectToDbg () from C:\WINDOWS\system32\ntdll.dll
#1  0x0114f2fe in w32_abort () at w32fns.c:7210
#2  0x010421b3 in die (
    msg=0x15d2e48 "assertion failed: CONSP (((0+(((((((((enum Lisp_Type)
((((options))) &
((((int) 1) << 3) - 1))) == Lisp_Cons)) || suppress_checking ? (void) 0 : die
((\"assertio
n failed: \" \"CONSP ((options))\"), \"w32me"..., file=0x15d26b7 "w32menu.c",
    line=1185) at alloc.c:6339
#3  0x012b59ab in is_simple_dialog (contents=75445966) at w32menu.c:1185
#4  0x012b3507 in Fx_popup_dialog (position=74376382, contents=75445966,
    header=54724634) at w32menu.c:195
#5  0x01034e58 in eval_sub (form=75445950) at eval.c:2356
#6  0x01031fed in Flet (args=75446038) at eval.c:1090
#7  0x01034965 in eval_sub (form=75445934) at eval.c:2298
#8  0x010301ee in Fprogn (args=75446094) at eval.c:364
#9  0x01037a0f in funcall_lambda (fun=75446182, nargs=1, arg_vector=0x83f944)
    at eval.c:3226
#10 0x010370ed in Ffuncall (nargs=2, args=0x83f940) at eval.c:3063
#11 0x010e354c in Fcall_interactively (function=76468802, record_flag=54724634,
    keys=54745861) at callint.c:852
#12 0x01036cf3 in Ffuncall (nargs=4, args=0x83fb70) at eval.c:3009
#13 0x0103620f in call3 (fn=54844778, arg1=76468802, arg2=54724634,
arg3=54724634)
    at eval.c:2802
#14 0x0101f9e2 in Fcommand_execute (cmd=76468802, record_flag=54724634,
keys=54724634,
    special=54724634) at keyboard.c:10328
#15 0x0100658f in command_loop_1 () at keyboard.c:1571
#16 0x01032beb in internal_condition_case (bfun=0x100569b <command_loop_1>,
    handlers=54782362, hfun=0x1004eba <cmd_error>) at eval.c:1515
#17 0x010052f7 in command_loop_2 (ignore=54724634) at keyboard.c:1159
#18 0x0103260e in internal_catch (tag=54780386, func=0x10052d3 <command_loop_2>,
    arg=54724634) at eval.c:1272
#19 0x010052b3 in command_loop () at keyboard.c:1138
#20 0x0100488f in recursive_edit_1 () at keyboard.c:758
#21 0x01004baa in Frecursive_edit () at keyboard.c:822
#22 0x010028b5 in main (argc=3, argv=0x33c68) at emacs.c:1715

Lisp Backtrace:
"x-popup-dialog" (0x83f574)
"let" (0x83f75c)
"titi" (0x83f944)
"call-interactively" (0x83fb74)
(gdb)