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LibJS/Bytecode: Actually get value from super base for computed property

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Luke Wilde 2023-06-17 18:42:32 +01:00 • committed by Andreas Kling
parent 1116ba191a
commit 357174d8fd
2 changed files with 8 additions and 2 deletions
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5
Userland/Libraries/LibJS/Bytecode/Generator.cpp
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@ -177,7 +177,10 @@ CodeGenerationErrorOr<void> Generator::emit_load_from_reference(JS::ASTNode cons
if (computed_property_value_register.has_value()) {
// 5. Let propertyKey be ? ToPropertyKey(propertyNameValue).
// FIXME: This does ToPropertyKey out of order, which is observable by Symbol.toPrimitive!
emit<Bytecode::Op::GetByValue>(*computed_property_value_register);
auto super_base_register = allocate_register();
emit<Bytecode::Op::Store>(super_base_register);
emit<Bytecode::Op::Load>(*computed_property_value_register);
emit<Bytecode::Op::GetByValue>(super_base_register);
} else {
// 3. Let propertyKey be StringValue of IdentifierName.
auto identifier_table_ref = intern_identifier(verify_cast<Identifier>(expression.property()).string());