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Stabilize -Z instrument-coverage as -C instrument-coverage

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Continue supporting -Z instrument-coverage for compatibility for now,
but show a deprecation warning for it.

Update uses and documentation to use the -C option.

Move the documentation from the unstable book to stable rustc
documentation.
This commit is contained in:
Josh Triplett 2021-10-21 16:04:22 +02:00
parent ff94b3b12b
commit 34106f8935
23 changed files with 102 additions and 79 deletions
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2
compiler/rustc_middle/src/mir/mod.rs
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@ -1590,7 +1590,7 @@ pub enum StatementKind<'tcx> {
/// - `Bivariant` -- no effect
AscribeUserType(Box<(Place<'tcx>, UserTypeProjection)>, ty::Variance),
/// Marks the start of a "coverage region", injected with '-Zinstrument-coverage'. A
/// Marks the start of a "coverage region", injected with '-Cinstrument-coverage'. A
/// `Coverage` statement carries metadata about the coverage region, used to inject a coverage
/// map into the binary. If `Coverage::kind` is a `Counter`, the statement also generates
/// executable code, to increment a counter variable at runtime, each time the code region is