Re: Kill hack in java disabling unit-at-a-time

[Jan Hubicka <jh at suse dot cz>]

> Jan Hubicka writes:
> 
>  > apparently this hack went in with tree-ssa merge causing unit-at-a-time
>  > to be disabled by default since 4.0.0.  Fortunately re-enabling it don't
>  > seem to cause any regressions, however I will wait a day before
>  > commiting this so people might comment if this don't seem appropriate
>  > for stage3.
>  > 
>  > Bootstrapped/regtested i686-pc-gnu-linux, will commit it as obvious if
>  > no-one objects :)
> 
> It's far from obvious.  There were severe problems with unit-at-a-time
> and gcj, and this shouldn't go in without extensive testing.  A simple
> 'make check' and bootstrap isn't enough.  We'll need time to test this.

How do you propose to test it?  If we don't want unit-at-a-time to be
enabled for 4.1, can we just move it into option handling instead of
such a hidden hack?

Honza
> 
> Andrew.