MuonTesterTree - Fix linker error

Closes ATLASRECTS-7946

added bugfix urgent labels

You should revert !70184 (merged) in this MR as well so it's actually building.

added 4 commits

• c5c59207...fbb94625 - 2 commits from branch atlas:main
• d9cd1397 - Fix compiler error
• 882868f2 - Revert GeoModelTest disabling

Compare with previous version

added full-build full-unit-tests labels

Merci. Done

build area is cleaned as MR is labeled as full-build

This merge request affects 2 packages:

• MuonSpectrometer/MuonValidation/MuonTesterTree
• Projects/Athena

Affected files list will not be printed in this case

Adding @pscholer ,@rbianchi ,@rosati ,@kluit ,@stavrop ,@akraszna ,@jojungge ,@apsallid as watchers

added Build MuonSpectrometer main review-pending-level-1 labels

CI Result SUCCESS (hash 882868f2)

	Athena	AthAnalysis
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 7214] (remote access info)

added review-approved label and removed review-pending-level-1 label

mentioned in merge request !70187 (merged)

Okay, I have been looking this in the meantime, and I think this is okay now. I'm not completely sure where the issue was, but I was suspicious about:

std::unique_ptr<T[]> m_data{new T[m_size]};

I have also confirmed that it works for me locally

merged

mentioned in commit c9f6eb96

mentioned in merge request !70302 (merged)