object code blow up by optimization

Simon Marlow simonmar at microsoft.com
Wed Jan 4 07:37:34 EST 2006

Christian Maeder wrote:

> I've a few files that produce ten times bigger .o files when compiled 
> with optimization (-O). This blow-up prevents linking on a mac.
> How could I find out what is causing this blow up?

Compile with -ddump-simpl and investigate the Core code, both with and 
without optimisation.


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