mercury/impure_prune.exp at 8ece998041d040a4aabb24afe00a0e35bf369473 - mercury - Steepath Git Private Instance

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Fergus Henderson 6d88f700a7 Fix a couple of bugs related to pruning of impure goals with no output

Estimated hours taken: 1.5

Fix a couple of bugs related to pruning of impure goals with no output
variables.

compiler/det_analysis.m:
	Fix a bug: the compiler was automatically inserting pruning
	across impure goals with no output variables.  That should
	happen only for pure or semipure goals.  To prevent pruning
	in those cases, I changed it so that impure goals with no
	output variables are not considered single-solution contexts.

doc/reference_manual.texi:
	Document the above-mentioned change.

compiler/clause_to_proc.m:
	Fix a bug: when converting a bunch of clauses into a disjunction,
	clause_to_proc.m was not computing the proper purity annotation
	on the goal_info for the disjunction.

tests/hard_coded/Mmakefile:
tests/hard_coded/impure_prune.m:
tests/hard_coded/impure_prune.exp:
	A test case for the above-mentioned changes to det_analysis.m
	and clause_to_proc.m.

1998-10-20 15:07:07 +00:00

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