Re: GDI+ take 3

[Eli Zaretskii]

> From: Juanma Barranquero <address@hidden>
> Date: Wed, 15 Apr 2020 20:45:30 +0200
> Cc: address@hidden, Emacs developers <address@hidden>
> 
> Alas, it crashes.
> 
> Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
> 0x00007fff6f4b0bb3 in KERNELBASE!DebugBreak ()
>    from C:\WINDOWS\System32\KernelBase.dll
> (gdb) bt
> #0  0x00007fff6f4b0bb3 in KERNELBASE!DebugBreak ()
>    from C:\WINDOWS\System32\KernelBase.dll
> #1  0x000000040026c5cf in emacs_abort () at w32fns.c:10980
> #2  0x00000004002b0c0e in decode_delay (
>     propertyItem=propertyItem@entry=0x561a690, frame=frame@entry=1)
>     at w32image.c:234

With Juanma's generous help off-list, I've succeeded to find a way of
preventing the crashes.  The changes are now installed on master.  GIF
animation still doesn't work 100% correctly, you need to hit RET twice
to get the full animation (according to Juanma).  Further debugging is
required to clean this up.