[m-rev.] for review: base_typeclass_info rtti refs

[Zoltan Somogyi]

On 01-May-2003, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> For review by Fergus. The diff has been successfully bootchecked in grades
> hlc.gc, asm_fast.gc and asm_fast.gc.debug.tr.
> 
> Zoltan.
> 
> Fix two related anomalies. One was that base_typeclass_infos were being
> created using the fcailities of rtti.m, but they were being referred to
> using data_addr, not rtti_addr, in the LLDS backend, and they had similar
> special treatment in the MLDS backend. The second is the special treatment of
> base_typeclass_infos within rtti.m, rtti_out.m and rtti_to_mlds.m, due
> to the fact that unlike the other data structures defined in rtti.m,
> their id does not include an rtti_type_ctor. When we move over to the
> proposed data structures for representing type class and instance
> information, base_typeclass_infos won't be alone in not including
> an rtti_type_ctor in their id.

In the absence of a review, I will commit this tomorrow.

Zoltan.
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