Antoine Pitrou <pit...@free.fr> added the comment:

Le samedi 19 février 2011 à 10:45 +0000, Mark Dickinson a écrit :
> Mark Dickinson <dicki...@gmail.com> added the comment:
> 
> Unassigning.  I don't think that r82043 is the *real* culprit here;  that 
> bugfix just happened to expose a deficiency in the peepholer;  one that's 
> already present in other situations:
> 
> >>> dis.dis(lambda: 2*(3*4))
>   1           0 LOAD_CONST               1 (2)
>               3 LOAD_CONST               4 (12)
>               6 BINARY_MULTIPLY     
>               7 RETURN_VALUE        
> >>> dis.dis(lambda: (2*3)*4)
>   1           0 LOAD_CONST               5 (24)
>               3 RETURN_VALUE        
> 
> Antoine, does your patch take care of this case too?

It should. Can you test?

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<http://bugs.python.org/issue11244>
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