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Bigarray “get” evaluates its argument twice #5175

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vicuna opened this issue Nov 6, 2010 · 1 comment
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Bigarray “get” evaluates its argument twice #5175

vicuna opened this issue Nov 6, 2010 · 1 comment
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vicuna commented Nov 6, 2010

Original bug ID: 5175
Reporter: @Chris00
Status: closed (set by @xavierleroy on 2010-11-11T17:09:28Z)
Resolution: fixed
Priority: normal
Severity: major
Version: 3.13.0+dev
Fixed in version: 3.12.1+dev
Category: ~DO NOT USE (was: OCaml general)
Monitored by: @ygrek @hcarty @Chris00

Bug description

The attached code shows that in an expression like “(f y).{1}”, “f y” is evaluated twice which can have grave consequences e.g. if ”f” mutates “y”.

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vicuna commented Nov 11, 2010

Comment author: @xavierleroy

Well spotted, thanks. This is now fixed in the 3.12 bugfix branch. Will go into release 3.12.1.

@vicuna vicuna closed this as completed Nov 11, 2010
@vicuna vicuna added the bug label Mar 20, 2019
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@vicuna