Remove some last remants of {push,pop}_unsafe!

[rust.git] / compiler / rustc_mir_build / src / build / mod.rs

diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs
index d8f1f5b97eeaaaeb332d46cce26fde930db701e3..f5f6da3ec0bbac4cb4e79fa9155fe9404a422997 100644 (file)
--- a/compiler/rustc_mir_build/src/build/mod.rs
+++ b/compiler/rustc_mir_build/src/build/mod.rs
@@ -367,12 +367,8 @@ struct Builder<'a, 'tcx> {
     /// `{ STMTS; EXPR1 } + EXPR2`.
     block_context: BlockContext,
 
-    /// The current unsafe block in scope, even if it is hidden by
-    /// a `PushUnsafeBlock`.
-    unpushed_unsafe: Safety,
-
-    /// The number of `push_unsafe_block` levels in scope.
-    push_unsafe_count: usize,
+    /// The current unsafe block in scope
+    in_scope_unsafe: Safety,
 
     /// The vector of all scopes that we have created thus far;
     /// we track this for debuginfo later.
@@ -877,8 +873,7 @@ fn new(
             source_scopes: IndexVec::new(),
             source_scope: OUTERMOST_SOURCE_SCOPE,
             guard_context: vec![],
-            push_unsafe_count: 0,
-            unpushed_unsafe: safety,
+            in_scope_unsafe: safety,
             local_decls: IndexVec::from_elem_n(LocalDecl::new(return_ty, return_span), 1),
             canonical_user_type_annotations: IndexVec::new(),
             upvar_mutbls: vec![],
@@ -953,9 +948,8 @@ fn args_and_body(
         // the given closure and use the necessary information to create upvar
         // debuginfo and to fill `self.upvar_mutbls`.
         if hir_typeck_results.closure_min_captures.get(&fn_def_id).is_some() {
-            let closure_env_arg = Local::new(1);
             let mut closure_env_projs = vec![];
-            let mut closure_ty = self.local_decls[closure_env_arg].ty;
+            let mut closure_ty = self.local_decls[ty::CAPTURE_STRUCT_LOCAL].ty;
             if let ty::Ref(_, ty, _) = closure_ty.kind() {
                 closure_env_projs.push(ProjectionElem::Deref);
                 closure_ty = ty;
@@ -1001,7 +995,7 @@ fn args_and_body(
                         name,
                         source_info: SourceInfo::outermost(tcx_hir.span(var_id)),
                         value: VarDebugInfoContents::Place(Place {
-                            local: closure_env_arg,
+                            local: ty::CAPTURE_STRUCT_LOCAL,
                             projection: tcx.intern_place_elems(&projs),
                         }),
                     });