bug#22056: Please help me, Emacs crashing randomly (stack trace attached, compiled with debugging flags enabled)

[Eli Zaretskii]

> Date: Sun, 29 Nov 2015 13:45:44 -0700 (MST)
> From: abelardojarab <abelardotomasjb@gmail.com>
> 
> Application Specific Information:
> abort() called
> *** error for object 0x10e6280e0: pointer being freed was not allocated
>  
> 
> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
> 0   libsystem_kernel.dylib            0x00007fff9ca48ada __kill + 10
> 1   org.gnu.Emacs                     0x00000001000bb8b4
> terminate_due_to_signal + 148
> 2   org.gnu.Emacs                     0x00000001000da2c6
> deliver_fatal_thread_signal + 134
> 3   libsystem_platform.dylib          0x00007fff8cc7f52a _sigtramp + 26
> 4   ???                               0x4000000000000000 0 +
> 4611686018427387904
> 5   libsystem_c.dylib                 0x00007fff8ff2937b abort + 129
> 6   libsystem_malloc.dylib            0x00007fff9fb8f051 free + 425
> 7   org.gnu.Emacs                     0x000000010011f7f6 Fgarbage_collect +
> 5046

This looks an entirely different crash: some memory corruption caused
abort in the libc 'free' function called by garbage collection.