Avoid -Wmaybe-uninitialized when compiling with gcc -O1 #1364

1. 
   hebasto commented at 6:48 am on June 28, 2023: member

   Fixes #1361.

   CI tasks have been adjusted to catch similar issues in the future.

2. Avoid `-Wmaybe-uninitialized` when compiling with `gcc -O1` a6ca76cdf2
3. ci: Add `CFLAGS: -O1` to task matrix 5b9f37f136
4. real-or-random approved
5. 
   real-or-random commented at 8:20 am on June 28, 2023: contributor

   utACK 5b9f37f136620b9c61cd66439904b2db266fba70
6. real-or-random added the label assurance on Jun 28, 2023
7. real-or-random added the label ci on Jun 28, 2023
8. 
   jonasnick commented at 12:54 pm on July 3, 2023: contributor

   tACK 5b9f37f136620b9c61cd66439904b2db266fba70
9. real-or-random merged this on Jul 3, 2023
10. real-or-random closed this on Jul 3, 2023

    ---

11. hebasto deleted the branch on Jul 3, 2023
12. fanquake referenced this in commit 56c05c5ec4 on Jul 17, 2023
13. fanquake referenced this in commit ff061fde18 on Jul 18, 2023
14. hebasto referenced this in commit 270d2b37b8 on Jul 21, 2023
15. jonasnick cross-referenced this on Jul 27, 2023 from issue Upstream PRs 1357, 1345, 1358, 1368, 1369, 1323, 1364, 1370, 1367, 1344, 1371, 1363, 1340, 1366, 1313, 1378, 1298, 1382, 1383, 1384, 1386 by jonasnick

Contributors
hebasto real-or-random jonasnick

Labels
assurance ci