correctly recurse when expanding anon consts

2023-05-02 18:42:45 +01:00
parent 9d795a6e6e
commit 4d0887e1a2
2 changed files with 15 additions and 12 deletions
--- a/compiler/rustc_middle/src/ty/abstract_const.rs
+++ b/compiler/rustc_middle/src/ty/abstract_const.rs
@@ -63,7 +63,8 @@ impl<'tcx> TyCtxt<'tcx> {
                        Err(e) => self.tcx.const_error_with_guaranteed(c.ty(), e),
                        Ok(Some(bac)) => {
                            let substs = self.tcx.erase_regions(uv.substs);
-                            bac.subst(self.tcx, substs)
+                            let bac = bac.subst(self.tcx, substs);
+                            return bac.fold_with(self);
                        }
                        Ok(None) => c,
                    },