correct PStrLocation offset bug in copier.rs
@@ -191,7 +191,7 @@ fn copy_partial_string_from(&mut self, addr: usize, n: usize) {
let threshold = self.target.threshold();
self.target[self.scan] =
- HeapCellValue::Addr(Addr::PStrLocation(threshold, n));
+ HeapCellValue::Addr(Addr::PStrLocation(threshold, 0));
self.scan += 1;
