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Diffstat (limited to 'compiler/rustc_hir_analysis/src')
| -rw-r--r-- | compiler/rustc_hir_analysis/src/check/check.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 1e8cd50ca0d..8c85d13650b 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -475,6 +475,14 @@ fn sanity_check_found_hidden_type<'tcx>( } } +/// Check that the opaque's precise captures list is valid (if present). +/// We check this for regular `impl Trait`s and also RPITITs, even though the latter +/// are technically GATs. +/// +/// This function is responsible for: +/// 1. Checking that all type/const params are mention in the captures list. +/// 2. Checking that all lifetimes that are implicitly captured are mentioned. +/// 3. Asserting that all parameters mentioned in the captures list are invariant. fn check_opaque_precise_captures<'tcx>(tcx: TyCtxt<'tcx>, opaque_def_id: LocalDefId) { let hir::OpaqueTy { precise_capturing_args, .. } = *tcx.hir_node_by_def_id(opaque_def_id).expect_item().expect_opaque_ty(); |