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Editorial: Use some more abstract operations. #601

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Editorial: Use some more abstract operations. #601

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7 changes: 4 additions & 3 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,7 @@ urlPrefix: https://tc39.github.io/ecma262/; spec: ECMA-262
text: NormalCompletion; url: sec-normalcompletion
text: ObjectCreate; url: sec-objectcreate
text: OrdinaryDefineOwnProperty; url: sec-ordinarydefineownproperty
text: OrdinaryDelete; url: sec-ordinarydelete
text: OrdinaryGetOwnProperty; url: sec-ordinarygetownproperty
text: OrdinaryPreventExtensions; url: sec-ordinarypreventextensions
text: OrdinarySetWithOwnDescriptor; url: sec-ordinarysetwithowndescriptor
Expand Down Expand Up @@ -12553,9 +12554,9 @@ Issue: Define those internal methods imperatively instead.
1. If |operation| was declared with a [=return type=] of {{boolean}}
and the steps returned <emu-val>false</emu-val>, then return <emu-val>false</emu-val>.
1. Return <emu-val>true</emu-val>.
1. If |O| has an own property with name |P|, then:
1. If <a abstract-op>OrdinaryGetOwnProperty</a>(|O|, |P|) is not <emu-val>undefined</emu-val>, then:
1. If the property is not configurable, then return <emu-val>false</emu-val>.
1. Otherwise, remove the property from |O|.
1. Remove the own property with name |P| from |O|.
1. Return <emu-val>true</emu-val>.
</div>

Expand Down Expand Up @@ -12634,7 +12635,7 @@ internal method as follows.
The algorithm operates as follows, with property name |P| and object |O|:

1. If |P| is not a [=supported property name=] of |O|, then return false.
1. If |O| has an own property named |P|, then return false.
1. If <a abstract-op>OrdinaryGetOwnProperty</a>(|O|, |P|) is not <emu-val>undefined</emu-val>, then return false.

Note: This will include cases in which |O| has unforgeable properties,
because in practice those are always set up before objects have any supported property names,
Expand Down