zero-fill before GC mark
Depending on architectures, setjmp might not fully fill a jmp_buf. On such machines the union can contain wobbly bits. They are then scanned during mark_locations_array(). This is bad.
zero-fill before GC mark
Depending on architectures, setjmp might not fully fill a jmp_buf.
On such machines the union can contain wobbly bits. They are then
scanned during mark_locations_array(). This is bad.