[v3] Library bits of c++/49813

[Steve Ellcey]

On Thu, 2011-07-28 at 22:46 +0200, Paolo Carlini wrote:
> Hi,
> 
> > I ran into this problem on the IA64 HP-UX bootstrap and tried your
> > patch to semantics.c.  It fixed the problem for me and I was able
> > to bootstrap.
> 
> Thanks Steve. I say let's commit it, I'm pretty sure it's by and large correct and anyway it
> unbreaks the bootstrap for many people. Can you take care of that? I'm traveling and can only
> do it in a few hours.
> 
> Thanks,
> Paolo

OK, I went ahead and checked it in.  Here is the ChangeLog I put in:



2011-07-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/49813
        * semantics.c (potential_constant_expression_1):  Handle FMA_EXPR.

Steve Ellcey
sje@cup.hp.com