Code to not generate a corefile if gdb crashes, should now be Linux-only since Mac uses lldb instead of gdb.
Code to not generate a corefile if gdb crashes, should now be Linux-only since Mac uses lldb instead of gdb.

MozillaSecurity/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz