Allow chained equals.

src/backend/into_crane.rs

@@ -556,7 +556,6 @@ impl<M: Module> Backend<M> {
                         let pointer = self.module.target_config().pointer_type();
                         let pointer_to = builder.ins().symbol_value(pointer, *global_value);
                         builder.ins().store(MemFlags::new(), value, pointer_to, 0);
-                        Ok((builder.ins().iconst(types::I64, 0), VOID_REPR_TYPE))
                     }
 
                     Some(ReferenceBuilder::Argument(_, _)) => {
@@ -571,9 +570,10 @@ impl<M: Module> Backend<M> {
                         builder.declare_var(variable, value_type);
                         builder.def_var(variable, value);
                         variables.insert(name, ReferenceBuilder::Local(value_type, variable));
-                        Ok((builder.ins().iconst(types::I64, 0), VOID_REPR_TYPE))
                     }
                 }
+
+                Ok((value, value_type))
             }
 
             Expression::Call(_, _, function, args) => {