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| author | Ralf Jung <post@ralfj.de> | 2023-12-16 16:24:25 +0100 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2024-01-22 09:28:00 +0100 |
| commit | 2f1a8e2d7a641a398e9e02c8c99e80f6e44dce87 (patch) | |
| tree | e8e044a80ab5b723153703589e31aa24308e2a6e /src/tools/miri | |
| parent | a58ec8ff03b3269b20104eb7eae407be48ab95a7 (diff) | |
| download | rust-2f1a8e2d7a641a398e9e02c8c99e80f6e44dce87.tar.gz rust-2f1a8e2d7a641a398e9e02c8c99e80f6e44dce87.zip | |
const-eval interner: from-scratch rewrite using mutability information from provenance rather than types
Diffstat (limited to 'src/tools/miri')
| -rw-r--r-- | src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs | 4 | ||||
| -rw-r--r-- | src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs index eac315d0436..7740d383ee3 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs @@ -830,7 +830,9 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' let new_prov = this.sb_reborrow(place, size, new_perm, new_tag, info)?; // Adjust place. - Ok(place.clone().map_provenance(|_| new_prov)) + // (If the closure gets called, that means the old provenance was `Some`, and hence the new + // one must also be `Some`.) + Ok(place.clone().map_provenance(|_| new_prov.unwrap())) } /// Retags an individual pointer, returning the retagged version. diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index 573d13bf4a5..0945a5292bb 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -351,7 +351,9 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' let new_prov = this.tb_reborrow(place, reborrow_size, new_perm, new_tag)?; // Adjust place. - Ok(place.clone().map_provenance(|_| new_prov)) + // (If the closure gets called, that means the old provenance was `Some`, and hence the new + // one must also be `Some`.) + Ok(place.clone().map_provenance(|_| new_prov.unwrap())) } /// Retags an individual pointer, returning the retagged version. |