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-rw-r--r--compiler/rustc_middle/src/ty/layout.rs10
1 files changed, 2 insertions, 8 deletions
diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 240bead5494..c0d21250c30 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -2545,15 +2545,9 @@ where
                     }
                 }
 
-                // dyn*
+                // dyn* (both fields are usize-sized)
                 ty::Dynamic(_, _, TraitObjectRepresentation::Sized) => {
-                    TyMaybeWithLayout::TyAndLayout(
-                        tcx.layout_of(
-                            ty::ParamEnv::reveal_all()
-                                .and(tcx.mk_tup([tcx.types.usize, tcx.types.usize].into_iter())),
-                        )
-                        .unwrap(),
-                    )
+                    TyMaybeWithLayout::Ty(tcx.types.usize)
                 }
 
                 ty::Projection(_)