hide clang 12 / gcc 10 warnings (false positive?) properly

Previous version was not targeting the right warning neither the right lines of code

/ci-test

added RTA label

added ci-test-triggered label

• [2023-04-06 18:26] Validation started with lhcb-master-mr#7553
• [2023-04-11 10:50] Validation started with lhcb-master-mr#7570
• [2023-04-11 17:42] Validation started with lhcb-master-mr#7582

added 1 commit

• 468a5139 - Fixed targetted warning

Compare with previous version

/ci-test

resolved all threads

added 1 commit

• c9032e34 - another fix to target

Compare with previous version

/ci-test

resolved all threads

resolved all threads

merged

mentioned in commit 2768c5a6

mentioned in commit 39e114a9

mentioned in issue Moore#558 (closed)