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

[U.Mutlu]

Jonathan Wakely wrote on 07/20/2018 11:19 AM:
> 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.

Ok, easy enough. Thx. Have already tried it out successfully.


Btw, for the record: there are already 2 bugzilla entries
about exactly this FAIL case in (product/component?) pr68264:
   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71045
   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68356