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LibJS: Don't crash in CyclicModule::evaluate() when this == m_cycle_root

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The spec allows this scenario, so I don't know why we would want to
assert that it doesn't happen.

Fixes #22317

Also, -1 crash, +1 pass on test262 :^)
This commit is contained in:
Andreas Kling 2023-12-16 17:54:06 +01:00
parent ac79ab0b45
commit ed1ade0534
1 changed files with 1 additions and 2 deletions
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3
Userland/Libraries/LibJS/CyclicModule.cpp
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@ -335,10 +335,9 @@ ThrowCompletionOr<Promise*> CyclicModule::evaluate(VM& vm)
return verify_cast<Promise>(m_top_level_capability->promise().ptr());
// 3. If module.[[Status]] is either evaluating-async or evaluated, set module to module.[[CycleRoot]].
if (m_status == ModuleStatus::EvaluatingAsync || m_status == ModuleStatus::Evaluated) {
if ((m_status == ModuleStatus::EvaluatingAsync || m_status == ModuleStatus::Evaluated) && m_cycle_root != this) {
// Note: This will continue this function with module.[[CycleRoot]]
VERIFY(m_cycle_root);
VERIFY(this != m_cycle_root);
VERIFY(m_cycle_root->m_status == ModuleStatus::Linked);
dbgln_if(JS_MODULE_DEBUG, "[JS MODULE] evaluate[{}](vm) deferring to cycle root at {}", this, m_cycle_root.ptr());
return m_cycle_root->evaluate(vm);