[m-dev.] for review: bug fixes

[Fergus Henderson]

On 02-Jun-1998, Simon Taylor <stayl at cs.mu.OZ.AU> wrote:
> compiler/options.m
> 	Reenable deforestation.
> 	Enable --intermodule-optimization and --intermod-unused-args
> 	at -O5 so they get tested occasionally.

Intermodule optimization should not be enabled at any `-O<N>' level,
since it requires the user to remake the dependencies.

A better way of ensuring that these options get tested is to
edit tools/test_mercury so that it includes these options in
MCFLAGS for one of the machines on which we run the tests.

[more on the rest of your diff will follow later]

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
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