Update InterpCx::project_field to take FieldIdx

As suggested by Ralf in 142005.
2025-06-04 01:44:40 -07:00
parent ccf3198de3
commit 8bce2255e8
26 changed files with 102 additions and 80 deletions
--- a/compiler/rustc_mir_transform/src/jump_threading.rs
+++ b/compiler/rustc_mir_transform/src/jump_threading.rs
@@ -388,7 +388,7 @@ impl<'a, 'tcx> TOFinder<'a, 'tcx> {
            lhs,
            constant,
            &mut |elem, op| match elem {
-                TrackElem::Field(idx) => self.ecx.project_field(op, idx.as_usize()).discard_err(),
+                TrackElem::Field(idx) => self.ecx.project_field(op, idx).discard_err(),
                TrackElem::Variant(idx) => self.ecx.project_downcast(op, idx).discard_err(),
                TrackElem::Discriminant => {
                    let variant = self.ecx.read_discriminant(op).discard_err()?;