[PATCH OBV] Fix stack buffer overflow in aarch64_extract_return_value

[Yao Qi]

Simon Marchi <simon.marchi@ericsson.com> writes:

> Hi Yao,
>
> -fsanitize=address is awesome.  Do you think we could always run tests
> with it enabled on buildbot?

Yes, but we need to fix these existing errors found by
-fsanitize=address first.  I built GDB for aarch64-linux with
-fsanitize=address, and run tests.  There are still some errors to be
fixed, while most of them are not arch-specific.

-- 
Yao (齐尧)