Yuki Okushi 1033c74665
Rollup merge of - ssomers:btree_cleanup_8, r=Mark-Simulacrum
BTreeMap: define forget_type only when relevant

Similar to `forget_node_type` for handles.
No effect on generated code, apart maybe from the superfluous calls that might not have been optimized away.

r? @Mark-Simulacrum
2020-08-03 01:05:18 +09:00
..
2020-07-28 09:41:09 -07:00