For the unimplemented Accessors cppcheck complains for reaching the exit path from function with non-void return type

For the unimplemented Accessors cppcheck complains for reaching the exit path from function with non-void return type that has missing return statement. In reality we do not need these definitions, in principle we need the declaration (template) and then the definitions of the explicit specializations that are in use

ping @sroe

This merge request affects 3 packages:

• Event/xAOD/xAODMuon
• Event/xAOD/xAODTau
• Event/xAOD/xAODTracking

Affected files list will not be printed in this case

Adding @martindl ,@amorley ,@akraszna ,@adbailey ,@xiaozhon as watchers

added EDM JetEtmiss Tau analysis-review-required master review-pending-level-1 labels

CI Result SUCCESS (hash 92f23490)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 40106]

changed the description

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

added analysis-review-approved label and removed analysis-review-required label

merged

mentioned in commit 99796e8b

added sweep:ignore label

mentioned in merge request !47397 (merged)