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Fix a simplification bug which was introduced with multi-cons_id switch arms.
Previously a singleton switch could be replaced by the case goal, possibly
with a functor test beforehand, but that's only true if the case arm is
applicable to only a single functor.
compiler/simplify.m:
As above.
tests/hard_coded/Mercury.options:
tests/hard_coded/Mmakefile:
tests/hard_coded/simplify_multi_arm_switch.exp:
tests/hard_coded/simplify_multi_arm_switch.m:
Add test case.
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2 lines
3 B
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