CxxUtils: Fix race in test.

Potential out-of-bounds read.

This merge request affects 1 package:

• Control/CxxUtils

This merge request affects 1 file:

• Control/CxxUtils/test/ConcurrentStrMap_test.cxx

Adding @ssnyder ,@rbianchi as watchers

added Core main review-pending-level-1 labels

CI Result SUCCESS (hash b4800a5b)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
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
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 78863]

Change looks fine and CI is good. Approving. Clara (L1)

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

mentioned in commit 544c4508

merged

added sweep:ignore label