DCE eliminating valid statement for ACATS c34007p

[Richard Henderson]

On Tue, Sep 06, 2005 at 02:41:14PM -0400, Richard Kenner wrote:
> It certainly calls mark_addressable in various places, so I don't follow.

Then these are bugs waiting to happen.

If part way through gimplification you mark a variable as addressable,
then you invalidate the gimplification of preceeding statements.  At
least for variables whose type satisfies is_gimple_reg_type.


r~