[lto] PATCH: Add support for referencing types from function bodies

[Paul Brook]

On Monday 04 September 2006 19:03, Andrew Pinski wrote:
> On Mon, 2006-09-04 at 10:51 -0700, Mark Mitchell wrote:
> > I think Fortran and Objective-C should change, and that they may need to
> > change in order to work with LTO.  I think that, as in C/C++, a VAR_DECL
> > with TREE_READONLY should be used instead, and that CONST_DECLs should
> > never be addressable.
>
> Why?  The reason why it was done was to save space and make sure they
> are really put in the constant section.  I don't see a reason why they
> should be using VAR_DECLs.  The use of CONST_DECLs in the Fortran
> front-end was added by RTH[1].
> Really having a VAR_DECL with TREE_READONLY set is incorrect as it is
> not really readonly.

For Fortran it is correct. A CONST_DECL will always be a integer constant.

Paul