Arthur e7a21ce0e1 FIX: support blockers in tree support not working after mirroring
This is caused by the inverse-order polgyons after mirroring. Adding
a union_ before offset_ex fixes this bug.

Github: #1621
Jira: 2738
Change-Id: I885a3ca6af4e5fadb2158d913cf67525bfffa91e
(cherry picked from commit 4ea95d89e7ec058ac21218e1839cfe16b486893a)
2023-07-07 17:25:51 +08:00
..
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2023-06-14 10:43:35 +08:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2022-12-16 22:51:07 -05:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2022-07-15 23:42:08 +08:00
2023-07-07 17:25:51 +08:00
2022-12-09 10:54:41 +08:00
2022-12-16 22:51:07 -05:00