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Type checker loops and aborts if recursive type expression is constrained #4955

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vicuna opened this issue Jan 6, 2010 · 2 comments
Closed

Type checker loops and aborts if recursive type expression is constrained #4955

vicuna opened this issue Jan 6, 2010 · 2 comments
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vicuna commented Jan 6, 2010

Original bug ID: 4955
Reporter: kaustuv
Assigned to: @garrigue
Status: closed (set by @garrigue on 2010-04-30T03:15:13Z)
Resolution: fixed
Priority: normal
Severity: crash
Version: 3.11.1
Fixed in version: 3.11.2+dev
Category: ~DO NOT USE (was: OCaml general)

Bug description

type t = ([`A of 'a] as 'a) constraint 'a = t ;;

Fatal error: exception Stack_overflow
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vicuna commented Jan 6, 2010

Comment author: @garrigue

Delay check for cyclic abbreviations after enforcing constraints typedecl.ml.

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vicuna commented Apr 30, 2010

Comment author: @garrigue

Already fixed, just close.

@vicuna vicuna closed this as completed Apr 30, 2010
@vicuna vicuna added the bug label Mar 20, 2019
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