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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
commit 3252d984ae
Notes: sideshowbarker 2024-07-18 03:26:06 +09:00
6 changed files with 31 additions and 21 deletions
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2
Userland/Libraries/LibJS/Parser.cpp
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@ -621,7 +621,7 @@ RefPtr<Statement> Parser::try_parse_labelled_statement(AllowLabelledFunction all
m_state.labels_in_scope.remove(identifier);
labelled_statement->set_label(identifier);
labelled_statement->add_label(identifier);
state_rollback_guard.disarm();
discard_saved_state();
return labelled_statement.release_nonnull();