Fix writes in RT backend

hercules_cg/src/rt.rs

@@ -505,12 +505,7 @@ impl<'a> RTContext<'a> {
                     "                let mut write_offset_obj = unsafe {{ {}.__clone() }};\n",
                     self.get_value(collect)
                 )?;
-                write!(
-                    block,
-                    "                unsafe {{ write_offset_obj.__offset({}, {}) }};\n",
-                    offset, data_size,
-                )?;
-                write!(block, "                let write_offset_ptr = unsafe {{ write_offset_obj.__cpu_ptr_mut() }};\n")?;
+                write!(block, "                let write_offset_ptr = unsafe {{ write_offset_obj.__cpu_ptr_mut().byte_add({}) }};\n", offset)?;
                 if self.module.types[self.typing[data.idx()].idx()].is_primitive() {
                     write!(
                         block,
@@ -527,13 +522,8 @@ impl<'a> RTContext<'a> {
                 }
                 write!(
                     block,
-                    "                unsafe {{ write_offset_obj.__forget() }};\n",
-                )?;
-                write!(
-                    block,
-                    "                {} = unsafe {{ {}.__clone() }};\n",
+                    "                {} = write_offset_obj;\n",
                     self.get_value(id),
-                    self.get_value(collect)
                 )?;
             }
             _ => panic!(