[PATCH][gdb/testsuite] Give up after consecutive timeouts in completion-support.exp

[Simon Marchi]

On 2020-03-17 10:53 a.m., Tom de Vries wrote:
> Well, here's how I reasoned.
> 
> Say for a string "abcdefgh" we test "a", "ab", "abc", etc.
> 
> If we timeout at "a", there is the change that it's f.i. specific to
> one-letter matches, and such timeouts will not occur of "ab" and so on.
> 
> So, we try to establish a pattern: if "a", "ab" and "abc" timeout, then
> we think there's a good chance that "abcd" will also timeout, and we
> give up.
> 
> Having said that, my reasoning above is more concerned with not testing
> too little. Your reasoning is more concerned with having less timeouts.
> So I think both approaches are valid, they're just different trade-off
> points.
> 
> I'm fine with submitting a follow up patch that gives up after the first
> timeout, if you prefer that.
> 
> Thanks,
> - Tom
> 

Ok, that's fine with me.

Simon