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Update docs for -Clink-dead-code to discourage its use

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Zalathar 2025-01-16 12:53:46 +11:00
parent 419b3e2d3e
commit 2238b00dac
3 changed files with 6 additions and 13 deletions
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7
compiler/rustc_session/src/config.rs
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@ -132,13 +132,6 @@ pub enum LtoCli {
}
/// The different settings that the `-C instrument-coverage` flag can have.
///
/// Coverage instrumentation now supports combining `-C instrument-coverage`
/// with compiler and linker optimization (enabled with `-O` or `-C opt-level=1`
/// and higher). Nevertheless, there are many variables, depending on options
/// selected, code structure, and enabled attributes. If errors are encountered,
/// either while compiling or when generating `llvm-cov show` reports, consider
/// lowering the optimization level, or including/excluding `-C link-dead-code`.
#[derive(Clone, Copy, PartialEq, Hash, Debug)]
pub enum InstrumentCoverage {
/// `-C instrument-coverage=no` (or `off`, `false` etc.)