bug#32258: 27.0.50; Crash on minimizing/maximizing Emacs frame from taskbar [RHEL 6.8 GTK2]

[Noam Postavsky <npostavs@gmail.com>]

Kaushal Modi <kaushal.modi@gmail.com> writes:

> Thread 1 "emacs" hit Breakpoint 3, Fsignal (error_symbol=XIL(0xd980),
> data=XIL(0x127f163))
>     at eval.c:1582
> 1582      signal_or_quit (error_symbol, data, false);
> (gdb) r -Q
> The program being debugged has been started already.
> Start it from the beginning? (y or n) n
> Program not restarted.
> (gdb) p error_symbol
> $1 = XIL(0xd980)
> (gdb) xsymbol
> $2 = (struct Lisp_Symbol *) 0xe1b2c0 <lispsym+55680>
> "void-variable"
> (gdb) condition 3 error_symbol!=XIL(0xd980)
> (gdb) c
> Continuing.
> Error in testing breakpoint condition:
> Structure has no component named operator!=.
> Error in testing breakpoint condition:
> Structure has no component named operator!=.

This works for me:

    condition 3 !EQ (error_symbol, XIL(0xd980))

Using $1 instead of XIL(0xd980) also works (and in this case,
Qvoid_variable is an option too).