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LibJS: Handle "for" statements with empty initializer and updater

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This commit is contained in:
Andreas Kling 2020-03-25 16:14:18 +01:00
parent 30d24af54a
commit 6c9d2cfa5e
3 changed files with 26 additions and 2 deletions
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2
Libraries/LibJS/AST.cpp
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@ -126,7 +126,7 @@ Value ForStatement::execute(Interpreter& interpreter) const
{
RefPtr<BlockStatement> wrapper;
if (m_init->is_variable_declaration() && static_cast<const VariableDeclaration*>(m_init.ptr())->declaration_type() != DeclarationType::Var) {
if (m_init && m_init->is_variable_declaration() && static_cast<const VariableDeclaration*>(m_init.ptr())->declaration_type() != DeclarationType::Var) {
wrapper = create_ast_node<BlockStatement>();
interpreter.enter_scope(*wrapper, {}, ScopeType::Block);
}