rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

ctfe interpreter: extend provenance so that it can track whether a pointer is immutable

Browse Source
This commit is contained in:
Ralf Jung
2023-11-25 18:41:53 +01:00
parent 85a4bd8f58
commit cb86303342
38 changed files with 261 additions and 145 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/rustc_middle/src/mir/statement.rs
View File

@@ -381,7 +381,7 @@ impl<'tcx> Operand<'tcx> {
impl<'tcx> ConstOperand<'tcx> {
pub fn check_static_ptr(&self, tcx: TyCtxt<'_>) -> Option<DefId> {
match self.const_.try_to_scalar() {
Some(Scalar::Ptr(ptr, _size)) => match tcx.global_alloc(ptr.provenance) {
Some(Scalar::Ptr(ptr, _size)) => match tcx.global_alloc(ptr.provenance.alloc_id()) {
GlobalAlloc::Static(def_id) => {
assert!(!tcx.is_thread_local_static(def_id));
Some(def_id)