Sync from rust 3ed6c1d23f

src/common.rs

@@ -256,7 +256,7 @@ pub(crate) struct FunctionCx<'m, 'clif, 'tcx: 'm> {
     pub(crate) inline_asm_index: u32,
 }
 
-impl<'tcx> LayoutOf for FunctionCx<'_, '_, 'tcx> {
+impl<'tcx> LayoutOf<'tcx> for FunctionCx<'_, '_, 'tcx> {
     type Ty = Ty<'tcx>;
     type TyAndLayout = TyAndLayout<'tcx>;
 
@@ -364,7 +364,7 @@ impl<'tcx> FunctionCx<'_, '_, 'tcx> {
 
 pub(crate) struct RevealAllLayoutCx<'tcx>(pub(crate) TyCtxt<'tcx>);
 
-impl<'tcx> LayoutOf for RevealAllLayoutCx<'tcx> {
+impl<'tcx> LayoutOf<'tcx> for RevealAllLayoutCx<'tcx> {
     type Ty = Ty<'tcx>;
     type TyAndLayout = TyAndLayout<'tcx>;
 

src/constant.rs

@@ -129,13 +129,13 @@ pub(crate) fn codegen_constant<'tcx>(
     };
     let const_val = match const_.val {
         ConstKind::Value(const_val) => const_val,
-        ConstKind::Unevaluated(ty::Unevaluated { def, substs, promoted })
-            if fx.tcx.is_static(def.did) =>
+        ConstKind::Unevaluated(uv)
+            if fx.tcx.is_static(uv.def.did) =>
         {
-            assert!(substs.is_empty());
-            assert!(promoted.is_none());
+            assert!(uv.substs(fx.tcx).is_empty());
+            assert!(uv.promoted.is_none());
 
-            return codegen_static_ref(fx, def.did, fx.layout_of(const_.ty)).to_cvalue(fx);
+            return codegen_static_ref(fx, uv.def.did, fx.layout_of(const_.ty)).to_cvalue(fx);
         }
         ConstKind::Unevaluated(unevaluated) => {
             match fx.tcx.const_eval_resolve(ParamEnv::reveal_all(), unevaluated, None) {

src/debuginfo/mod.rs

@@ -161,12 +161,10 @@ impl<'tcx> DebugContext<'tcx> {
 
                 for (field_idx, field_def) in variant.fields.iter().enumerate() {
                     let field_offset = layout.fields.offset(field_idx);
-                    let field_layout = layout
-                        .field(
-                            &layout::LayoutCx { tcx: self.tcx, param_env: ParamEnv::reveal_all() },
-                            field_idx,
-                        )
-                        .unwrap();
+                    let field_layout = layout.field(
+                        &layout::LayoutCx { tcx: self.tcx, param_env: ParamEnv::reveal_all() },
+                        field_idx,
+                    );
 
                     let field_type = self.dwarf_ty(field_layout.ty);
 

src/intrinsics/mod.rs

@@ -789,7 +789,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
                 return;
             }
 
-            if intrinsic == sym::assert_zero_valid && !layout.might_permit_raw_init(fx, /*zero:*/ true).unwrap() {
+            if intrinsic == sym::assert_zero_valid && !layout.might_permit_raw_init(fx, /*zero:*/ true) {
                 with_no_trimmed_paths(|| crate::base::codegen_panic(
                     fx,
                     &format!("attempted to zero-initialize type `{}`, which is invalid", T),
@@ -798,7 +798,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
                 return;
             }
 
-            if intrinsic == sym::assert_uninit_valid && !layout.might_permit_raw_init(fx, /*zero:*/ false).unwrap() {
+            if intrinsic == sym::assert_uninit_valid && !layout.might_permit_raw_init(fx, /*zero:*/ false) {
                 with_no_trimmed_paths(|| crate::base::codegen_panic(
                     fx,
                     &format!("attempted to leave type `{}` uninitialized, which is invalid", T),