[Bug other/78971] ggc-min-expand default value is probably obsolete

[aurelien at aurel32 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78971

--- Comment #2 from Aurelien Jarno <aurelien at aurel32 dot net> ---
(In reply to Andrew Pinski from comment #1)
> Actually it would be better if we reduce the need to allocate as much memory.
> 
> >In 2017 it's quite common to have a machine with 1GB of RAM.
> 
> Actually is is quite common to have a machine with more than 32G of memory
> especially servers.

Yes, exactly my point. It means the heuristic now almost always uses the same
value, that is 100%.


> But really ggc-min-expand is not the problem rather the amount of GC memory
> being allocated.

Ok. I'll do that.