[m-dev.] diff: std_util.m changes to mercury_compare_typeinfos() etc.

[Fergus Henderson]

Tyson Richard DOWD, you wrote:
> 
> > -	compare_output = mercury_compare_type_info(typeinfo1, typeinfo2);
> > +	compare_output = ML_compare_type_info(typeinfo1, typeinfo2);
> >  	if (compare_output != COMPARE_EQUAL) {
> >  		proceed();
> 
> You didn't save transient registers here. Either this code has to
> save them

Ah, thanks for spotting that.  Yes, it was a bug.  I hate to think how
long it would take to find a bug like that by debugging.

-- 
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WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
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