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Normative: Create global properties for sloppy function hosting as vars #888

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merged 1 commit into from
Jul 18, 2018

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littledan
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This patch removes a case where a synthetic undefined was visible
as a result of legacy sloppy-mode function hoisting.

This patch addresses #753

This patch removes a case where a synthetic *undefined* was visible
as a result of legacy sloppy-mode function hoisting.

This patch addresses tc39#753
@anba
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anba commented Apr 12, 2017

I wondered why we decided to use CanDeclareGlobalFunction/CreateGlobalFunctionBinding instead of CanDeclareGlobalVar/CreateGlobalVarBinding, and look what I found -> https://bugs.ecmascript.org/show_bug.cgi?id=4428#c1. 😄

I think @syg should take a look at this change to confirm that this matches what he implemented in SpiderMonkey.

@rwaldron rwaldron added needs consensus This needs committee consensus before it can be eligible to be merged. needs test262 tests The proposal should specify how to test an implementation. Ideally via github.com/tc39/test262 labels Sep 26, 2017
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syg commented Sep 26, 2017

I'm pretty sure the PR matches my implementation. Sorry I completely forgot to respond to this.

@rwaldron rwaldron added has consensus This has committee consensus. and removed needs consensus This needs committee consensus before it can be eligible to be merged. labels Sep 26, 2017
@hzoo hzoo mentioned this pull request Sep 30, 2017
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@littledan
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I think TC39 was happy with this sort of thing ultimately, right?

@littledan
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I believe we got consensus here. Aside from addressing code review feedback on the tests, does anything else need to be fixed up for this patch to land?

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rwaldron commented May 11, 2018

Spec tests landed: tc39/test262#969

@ljharb ljharb added has test262 tests and removed needs test262 tests The proposal should specify how to test an implementation. Ideally via github.com/tc39/test262 labels May 12, 2018
@ljharb ljharb assigned ljharb and unassigned bterlson Jul 18, 2018
@ljharb ljharb merged commit caf89a1 into tc39:master Jul 18, 2018
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7 participants