[patch] New set auto-load-local-gdbinit + disable it by default

[Tom Tromey]

>>>>> "Joel" == Joel Brobecker <brobecker@adacore.com> writes:

Joel>   . About the auto-loading of Python code: I think that the cost
Joel>     of removing the auto-loading, even if it is only for non-trusted
Joel>     directories, would be too high. I would prefer if it discussed
Joel>     this separately after the .gdbinit issue has been resolved.

The reason I think the issues belong together is that they are really
both instances of the same bug: gdb running possibly-untrustworthy code.

I don't think it makes sense to fix one such hole but leave another one
wide open.

Tom