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coverage: Assert that the instrumentor never sees promoted MIR

This commit is contained in:
Zalathar 2023-11-18 17:51:17 +11:00
parent de686cbc65
commit 87cffb2377
1 changed files with 3 additions and 9 deletions
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12
compiler/rustc_mir_transform/src/coverage/mod.rs
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@ -39,15 +39,9 @@ impl<'tcx> MirPass<'tcx> for InstrumentCoverage {
fn run_pass(&self, tcx: TyCtxt<'tcx>, mir_body: &mut mir::Body<'tcx>) {
let mir_source = mir_body.source;
// If the InstrumentCoverage pass is called on promoted MIRs, skip them.
// See: https://github.com/rust-lang/rust/pull/73011#discussion_r438317601
if mir_source.promoted.is_some() {
trace!(
"InstrumentCoverage skipped for {:?} (already promoted for Miri evaluation)",
mir_source.def_id()
);
return;
}
// This pass runs after MIR promotion, but before promoted MIR starts to
// be transformed, so it should never see promoted MIR.
assert!(mir_source.promoted.is_none());
let is_fn_like =
tcx.hir_node_by_def_id(mir_source.def_id().expect_local()).fn_kind().is_some();