[vala/staging] codegen: Clean up expression casts in CCodeAssignmentModule.visit_assignment()

[Rico Tzschichholz <ricotz src gnome org>]

commit 38ff2a858e6e4e905533a9dc71fdc5e9e57e4c96
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Jan 23 17:29:44 2021 +0100

    codegen: Clean up expression casts in CCodeAssignmentModule.visit_assignment()

 codegen/valaccodeassignmentmodule.vala | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/codegen/valaccodeassignmentmodule.vala b/codegen/valaccodeassignmentmodule.vala
index fc7e8d6fc..c77a16894 100644
--- a/codegen/valaccodeassignmentmodule.vala
+++ b/codegen/valaccodeassignmentmodule.vala
@@ -29,8 +29,6 @@ using GLib;
  */
 public class Vala.CCodeAssignmentModule : CCodeMemberAccessModule {
        TargetValue emit_simple_assignment (Assignment assignment) {
-               Variable variable = (Variable) assignment.left.symbol_reference;
-
                if (requires_destroy (assignment.left.value_type)) {
                        /* unref old value */
                        ccode.add_expression (destroy_value (assignment.left.target_value));
@@ -81,6 +79,7 @@ public class Vala.CCodeAssignmentModule : CCodeMemberAccessModule {
                }
 
                if (assignment.left.value_type is ArrayType && (((ArrayType) 
assignment.left.value_type).inline_allocated)) {
+                       unowned Variable variable = (Variable) assignment.left.symbol_reference;
                        return load_variable (variable, assignment.left.target_value);
                } else {
                        return assignment.left.target_value;
@@ -94,8 +93,8 @@ public class Vala.CCodeAssignmentModule : CCodeMemberAccessModule {
                }
 
                if (assignment.left.symbol_reference is Property) {
-                       var ma = assignment.left as MemberAccess;
-                       var prop = (Property) assignment.left.symbol_reference;
+                       unowned MemberAccess ma = (MemberAccess) assignment.left;
+                       unowned Property prop = (Property) assignment.left.symbol_reference;
 
                        store_property (prop, ma.inner, assignment.right.target_value);
                        assignment.target_value = assignment.right.target_value;