Re: Assertion failes in w32uniscribe.c

["Juanma Barranquero" <lekktu@gmail.com>]

On Fri, Apr 4, 2008 at 10:14 AM, Jason Rumney <jasonr@gnu.org> wrote:

With new code:

--------------------------------------------------------------------------------
(gdb) break w32uniscribe.c:569
Breakpoint 3 at 0x1218e56: file w32uniscribe.c, line 569.
(gdb) break w32uniscribe.c:618
Breakpoint 4 at 0x1219166: file w32uniscribe.c, line 618.
(gdb) run -q
Starting program: C:\emacs\trunk\src/..\emacs.exe -q
[New thread 1560.0x720]
[New thread 1560.0x18c]

Breakpoint 3, uniscribe_check_otf (font=0x82d39c, otf_spec=19767413)
at w32uniscribe.c:572
572       script = XCAR (otf_spec);
(gdb) pp otf_spec
(gujr nil (rphf))
(gdb) continue
Continuing.

Breakpoint 4, uniscribe_check_otf (font=0x82d39c, otf_spec=19767413)
at w32uniscribe.c:621
621           OTF_INT16_VAL (tbl, 4, &scriptlist_table);
(gdb) pp otf_spec
0
(gdb) continue
Continuing.

w32uniscribe.c:679: Emacs fatal error: assertion failed: CONSP((rest))

Breakpoint 1, w32_abort () at w32fns.c:9380
9380      button = MessageBox (NULL,
(gdb) frame 2
#2  0x012198d2 in uniscribe_check_otf (font=0x82d39c,
otf_spec=19767413) at w32uniscribe.c:679
679           for (feature = XCAR (rest); CONSP (rest); feature = XCAR (rest))
(gdb) pp otf_spec
nil
(gdb)
--------------------------------------------------------------------------------

My Emacs is compiled with optimization, -DENABLE_CHECKING=1 and
-fno-crossjumping. I can do a non-optimized build, if necessary.

Perhaps irrelevant, but the crash is in Windows XP Pro, usp10.dll's
version is 1.601.5022.8, and gcc is "gcc (GCC) 4.2.1-sjlj
(mingw32-2)".

 Juanma