Unused label lint #4365
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Unused label lint #4365
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gcc/rust/ChangeLog: * checks/lints/unused/rust-unused-checker.cc (UnusedChecker::visit_loop_label): Add warning for unused label in LoopLabel expr. * checks/lints/unused/rust-unused-checker.h: Likewise. * checks/lints/unused/rust-unused-collector.cc (UnusedCollector::visit): Check in BreakExpr and ContinueExpr if a label is used. * checks/lints/unused/rust-unused-collector.h: Likewise. * checks/lints/unused/rust-unused-context.cc (UnusedContext::add_label): Method helper. (UnusedContext::is_label_used): Likewise * checks/lints/unused/rust-unused-context.h: Likewise. gcc/testsuite/ChangeLog: * rust/compile/unused-label_0.rs: New test. Signed-off-by: Lucas Ly Ba <[email protected]>
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P-E-P
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Jan 7, 2026
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