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Re: broken arithmetic operations on vectors (c and c++)

> I think we should be checking that we need a predicate for 
> same_type_ignoring_signedness.  That's not hard to implement.

Will do.  I will put the predicate in c-common.c (if that's ok), since
it needs to be available for the C front end as well.  I have a similar
patch for C that I'm testing.

> 
> Any time we're looking at TYPE_MODE in a front end, we're being lazy, at 
> best.

Lazy, what?  Did somebody call me?  :)

Aldy
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