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Commit 39637d40 authored by Sjaak Smetsers's avatar Sjaak Smetsers
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Bug fix: crashed with cyclic type classes

parent 78bcc157
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Showing with 3 additions and 2 deletions
frontend/analtypes.icl
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......@@ -749,8 +749,9 @@ where
// ---> ("determine_kinds_of_class", class_name, class_kinds)
= ({class_infos & [class_module,class_index] = [ KindConst \\ _ <- [1..class_arity]] }, { as & as_error = popErrorAdmin as.as_error })
| isCyclicClass class_infos.[class_module,class_index]
# class_name = modules.[class_module].com_class_defs.[class_index].class_name
= (class_infos, { as & as_error = checkError class_name class_def_error as.as_error })
# {class_name,class_arity} = modules.[class_module].com_class_defs.[class_index]
= ({ class_infos & [class_module,class_index] = [ KindConst \\ _ <- [1..class_arity]]},
{ as & as_error = checkError class_name class_def_error as.as_error })
= (class_infos, as)
where
fresh_kind_vars nr_of_vars fresh_vars kind_heap
......
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