[m-rev.] Compiler bug: Uncaught Mercury exception

[Volker Wysk]

Hi

I get the following when I compile my program:

./mmc-make 
Making Mercury/int3s/colipa.int3
Making Mercury/ints/colipa.int
Making Mercury/cs/colipa.c
Uncaught Mercury exception:
Software Error: predicate `ll_backend.liveness.require_equal'/4: Unexpected:
branches of if-then-else disagree on liveness
First: HeadVar__4_4, QueryFunction_6, Arguments_7, Arg_8, Values_9,
ArgDesc_10, MDef_11, Default_12, TypeClassInfo_for_argument_42,
TypeInfo_43_43
Rest:  HeadVar__4_4, QueryFunction_6, Arguments_7, Arg_8, Values_9,
ArgDesc_10, MDef_11, Default_12, TypeInfo_43_43

I've attached the three files that are involved.

This time it *really* is a bug. :)

Cheers,
Volker
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