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Bug in typing of the object layer #4505

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vicuna opened this Issue Feb 19, 2008 · 1 comment

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vicuna commented Feb 19, 2008

Original bug ID: 4505
Reporter: turpin
Status: closed (set by @garrigue on 2008-03-17T02:24:23Z)
Resolution: fixed
Priority: normal
Severity: crash
Version: 3.10.1
Fixed in version: 3.10.3+dev
Category: ~DO NOT USE (was: OCaml general)
Monitored by: @yakobowski

Bug description

The attached code fragment breaks type inference with:

Assert_failure("typing/ctype.ml", 2760, 50).

The behavior is the same with version 3.07 (up to the line number). I don't know how to reduce the code further, but the person who wrote the assertion should know what is going on :-).

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vicuna commented Mar 17, 2008

Comment author: @garrigue

The problem was in the code that tries to create a recursive subtype.
Solved it by disabling recursion when self type appears as a parameter.

@vicuna vicuna closed this Mar 17, 2008

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