PR 32044

[Bernd Schmidt]

Zdenek Dvorak wrote:

>> Reverting part of revision 122896, as in the patch below, cures the
>> problem.  I propose to apply this before 4.3 is out.
> 
> what about the problems for that the patch was originally applied?

Are any of those regressions from previous releases, and what kind of
performance loss are we talking about for them?

> As
> far as I remember, the expensiveness check caused a lot of missed
> optimizations.  IMHO, a more careful approach is needed.

Well, it's been in bugzilla for a while so there was time to come up
with something more elaborate.  However, I would not like to see this
problem persist in 4.3.


Bernd
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