Dangling pointer in ICF from c_str method.

[Richard Guenther]

On Wed, 2 Feb 2011, Sriraman Tallam wrote:

> Hi,
> 
>    Doug Kwan found a bug in ICF caused by a dangling pointer from
> using c_str on a temporary string object. I have attached a patch to
> fix it. I suspect this as the cause of bug  reported in :
> http://sourceware.org/bugzilla/show_bug.cgi?id=12388. Richard, could
> you please see if this patch fixes the bug as I am unable to reproduce
> it.

It doesn't apply to the 2.21 release for me.  I'll pick it up when
2.21.1 is released.

Richard.