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LibJS/Bytecode: Make yield by itself yield undefined

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Luke Wilde 2022-11-25 23:14:27 +00:00 • committed by Andreas Kling
parent 0c8da1478a
commit b914680f0c
1 changed files with 2 additions and 0 deletions
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2
Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp
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@ -1600,6 +1600,8 @@ Bytecode::CodeGenerationErrorOr<void> YieldExpression::generate_bytecode(Bytecod
if (m_argument) if (m_argument)
TRY(m_argument->generate_bytecode(generator)); TRY(m_argument->generate_bytecode(generator));
else
generator.emit<Bytecode::Op::LoadImmediate>(js_undefined());
auto& continuation_block = generator.make_block(); auto& continuation_block = generator.make_block();
generator.emit<Bytecode::Op::Yield>(Bytecode::Label { continuation_block }); generator.emit<Bytecode::Op::Yield>(Bytecode::Label { continuation_block });