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LibJS: Convert has_binding() to ThrowCompletionOr

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Also add spec step comments to it while we're here.
This commit is contained in:
Linus Groh
2021-10-09 17:07:32 +01:00
parent 617d3cd3d3
commit fbb176c926
Notes: sideshowbarker 2024-07-18 02:52:35 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/fbb176c926e
Pull-request: https://github.com/SerenityOS/serenity/pull/10413
Reviewed-by: https://github.com/IdanHo ✅
11 changed files with 50 additions and 29 deletions
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Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@@ -357,7 +357,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::function_declaration_instantia
}
for (auto const& parameter_name : parameter_names) {
if (environment->has_binding(parameter_name))
if (MUST(environment->has_binding(parameter_name)))
continue;
environment->create_mutable_binding(global_object(), parameter_name, false);