http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54735



Markus Trippelsdorf <markus at trippelsdorf dot de> changed:



           What    |Removed                     |Added

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                 CC|                            |jamborm at gcc dot gnu.org



--- Comment #5 from Markus Trippelsdorf <markus at trippelsdorf dot de> 
2012-09-29 07:06:15 UTC ---

(In reply to comment #4)

> (In reply to comment #3)

> > r191747 should not increase the memory consumption. Instead, it'll only 
> > speedup

> > compilation.

> > 

> > I tried to compile the testcase without the patch, the memory consumption 
> > still

> > increase, but very slowly (it took around 30 minutes to climb up to 1.8G)

>

> I will let the testcase run overnight with r191747 reverted and 

> I guess it will also crash after a few hours.



It took roughly one hour to crash (amazing what an effect a single & can have).



The real culprit seems to be r190313:



commit a4f60e55a178cb5500186d27ff3fd4a62d0281e3

Author: jamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4>

Date:   Sat Aug 11 10:50:24 2012 +0000



    2012-08-11  Martin Jambor  <mjam...@suse.cz>



        PR fortran/48636

        * ipa-inline.h (condition): New fields offset, agg_contents and by_ref.

        * ipa-inline-analysis.c (agg_position_info): New type.

...

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