checker: fix compilation of vlib/v/slow_tests/assembly/asm_test.amd64.v (regression after dfc0c91)

vlib/v/checker/struct.v

@@ -871,12 +871,15 @@ fn (mut c Checker) check_uninitialized_struct_fields_and_embeds(node ast.StructI
 							} else {
 								parts.last()
 							}
+							if !c.inside_unsafe {
 								c.error('cannot access private field `${field.name}` on `${mod_type}`',
 									init_field.pos)
+
 								break
 							}
 						}
 					}
+				}
 				if field.is_deprecated {
 					for init_field in node.init_fields {
 						if field.name == init_field.name {