Rename ClearCrossCrate::assert_crate_local.

As `unwrap_crate_local`, because it follows exactly the standard form of
an `unwrap` function.

compiler/rustc_mir_transform/src/check_const_item_mutation.rs

@@ -79,7 +79,7 @@ impl<'tcx> ConstMutationChecker<'_, 'tcx> {
             let lint_root = self.body.source_scopes[source_info.scope]
                 .local_data
                 .as_ref()
-                .assert_crate_local()
+                .unwrap_crate_local()
                 .lint_root;
 
             Some((lint_root, source_info.span, self.tcx.def_span(const_item)))

compiler/rustc_mir_transform/src/coroutine.rs

@@ -945,7 +945,7 @@ fn compute_layout<'tcx>(
         let decl = &body.local_decls[local];
         debug!(?decl);
 
-        // Do not `assert_crate_local` here, as post-borrowck cleanup may have already cleared
+        // Do not `unwrap_crate_local` here, as post-borrowck cleanup may have already cleared
         // the information. This is alright, since `ignore_for_traits` is only relevant when
         // this code runs on pre-cleanup MIR, and `ignore_for_traits = false` is the safer
         // default.

compiler/rustc_mir_transform/src/ffi_unwind_calls.rs

@@ -85,7 +85,7 @@ fn has_ffi_unwind_calls(tcx: TyCtxt<'_>, local_def_id: LocalDefId) -> bool {
             let lint_root = body.source_scopes[terminator.source_info.scope]
                 .local_data
                 .as_ref()
-                .assert_crate_local()
+                .unwrap_crate_local()
                 .lint_root;
             let span = terminator.source_info.span;
 

compiler/rustc_mir_transform/src/function_item_references.rs

@@ -154,7 +154,7 @@ impl<'tcx> FunctionItemRefChecker<'_, 'tcx> {
         let lint_root = self.body.source_scopes[source_info.scope]
             .local_data
             .as_ref()
-            .assert_crate_local()
+            .unwrap_crate_local()
             .lint_root;
         // FIXME: use existing printing routines to print the function signature
         let fn_sig = self.tcx.fn_sig(fn_id).instantiate(self.tcx, fn_args);

compiler/rustc_mir_transform/src/patch.rs

@@ -158,7 +158,7 @@ impl<'tcx> MirPatch<'tcx> {
         let index = self.next_local;
         self.next_local += 1;
         let mut new_decl = LocalDecl::new(ty, span);
-        **new_decl.local_info.as_mut().assert_crate_local() = local_info;
+        **new_decl.local_info.as_mut().unwrap_crate_local() = local_info;
         self.new_locals.push(new_decl);
         Local::new(index)
     }