gdb-7.8 seems to break atomicity tests

[David Bremner]

Amadeusz Żołnowski <aidecoe at aidecoe.name> writes:

> Hi,
>
> With version 7.8 of gdb atomicity tests fail.  With version 7.7.1 all
> tests pass.
>

This should be fixed in commit cbbda62

d