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LibJS: Store ECMAScriptFunctionObject bytecode in an OwnPtr

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Using an Optional was extremely wasteful for function objects that don't
even have a bytecode executable.

This allows ECMAScriptFunctionObject to fit in a smaller size class.
This commit is contained in:
Andreas Kling
2022-01-31 13:25:39 +01:00
parent 8d3f92c844
commit 7a742b17da
8 changed files with 33 additions and 28 deletions
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Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.h
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@@ -103,7 +103,7 @@ private:
ThrowCompletionOr<void> function_declaration_instantiation(Interpreter*);
FlyString m_name;
Optional<Bytecode::Executable> m_bytecode_executable;
OwnPtr<Bytecode::Executable> m_bytecode_executable;
i32 m_function_length { 0 };
// Internal Slots of ECMAScript Function Objects, https://tc39.es/ecma262/#table-internal-slots-of-ecmascript-function-objects