Re: <iostream> now part of the libstdc++ binary

[Benjamin Kosnik <bkoz at redhat dot com>]

Hey Howard.

> This was introduced so quietly that I'm wondering:
> 
> 1.  Is it considered to just not be that big of a deal.
> 2.  There was a discussion, but I just can't find it.
> 3.  It was an unintended mistake.

I believe you have found a bug: nice catch. There is no reason to
include iostream in  src/iostream-inst.cc: I suspect I was just being
lazy when picking headers to include for iomanip and iostream
instantiations, and just thoughtlessly picked the obvious ones. 

Whoops.

I've checked the following in to gcc mainline and gcc-4_2-branch. (I
don't have gcc-4_1-branch checked out at the moment but it could
certainly go in there as well.)

best,
benjamin

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