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LibJS: Allow statements to have multiple labels

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This is a curious thing that occurs more often than you'd think in
minified JavaScript:

    a: b: c: for (...) { ... break b; ... }
This commit is contained in:
Andreas Kling 2021-09-26 18:16:06 +02:00
parent ababcc5725
commit 3252d984ae
6 changed files with 31 additions and 21 deletions
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2
Userland/Libraries/LibJS/Interpreter.cpp
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@ -193,7 +193,7 @@ Value Interpreter::execute_statement(GlobalObject& global_object, const Statemen
if (!value.is_empty())
last_value = value;
if (vm().should_unwind()) {
if (!block.label().is_null() && vm().should_unwind_until(ScopeType::Breakable, block.label()))
if (!block.labels().is_empty() && vm().should_unwind_until(ScopeType::Breakable, block.labels()))
vm().stop_unwind();
break;
}