make check (testing): how to re-test just 1 failed test src file?

[Jonathan Wakely]

On Fri, 20 Jul 2018 at 03:05, U.Mutlu wrote:
>
> What would you experienced people suggest to do to find out
> why this specific test is failing on x86_64 host=target ?
> I find it a little bit mysterious why it fails, and would like to know more
> about the exact reason.

Look in the .log file, it shows the full command used to compile+link
the test. Run that manually, run the resulting executable under GDB.