On Tue, 2014-08-12 at 16:01 -0600, Jeff Law wrote:
> On 08/06/14 11:19, David Malcolm wrote:
> > Ultimately, the underlying fields should become rtx_insn *, but for now we
> > can do this with a checked cast.
> >
> > Note to self:
> >    config/m32c/m32c.c: m32c_leaf_function_p directly manipulates
> >    x_first_insn and x_last_insn, using sequence_stack.
> >
> > gcc/
> > 	* emit-rtl.h (get_insns): Strengthen return type from rtx to
> > 	rtx_insn *, adding a checked cast for now.
> > 	(get_last_insn): Likewise.
> OK.

Thanks; fixed up uses of as_a_nullable to safe_as_a, and committed to
trunk as r214180, having verified
bootstrap&regrtest on x86_64-unknown-linux-gnu (Fedora 20) albeit in
combination with patches 9-29, and verified that it builds standalone
with 10 targets.

Am attaching what I committed.