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Exclude mir::coverage types from TypeFoldable/TypeVisitable

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These types are unlikely to ever contain type information in the foreseeable
future, so excluding them from TypeFoldable/TypeVisitable avoids some unhelpful
derive boilerplate.
This commit is contained in:
Zalathar 2025-01-22 20:35:33 +11:00
parent 1c9837df1d
commit 8a6e06fecb
3 changed files with 26 additions and 15 deletions
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4
compiler/rustc_middle/src/mir/mod.rs
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@ -358,6 +358,8 @@ pub struct Body<'tcx> {
///
/// Only present if coverage is enabled and this function is eligible.
/// Boxed to limit space overhead in non-coverage builds.
#[type_foldable(identity)]
#[type_visitable(ignore)]
pub coverage_info_hi: Option<Box<coverage::CoverageInfoHi>>,
/// Per-function coverage information added by the `InstrumentCoverage`
@ -366,6 +368,8 @@ pub struct Body<'tcx> {
///
/// If `-Cinstrument-coverage` is not active, or if an individual function
/// is not eligible for coverage, then this should always be `None`.
#[type_foldable(identity)]
#[type_visitable(ignore)]
pub function_coverage_info: Option<Box<coverage::FunctionCoverageInfo>>,
}