Fix possible memory leak #2324

Job	Run time
code formatting check	22s
cppcheck	3m 49s
min features with gcc	2m 28s
min features with g++	2m 23s
min features with clang	3m 1s
max features with gcc	5m 16s
max features with g++	2m 43s
max features with clang	4m 4s
max features with clang and AddressSanitized	3m 33s
max features with gcc and DEBUG	3m 14s
max features with gcc for 32-bit arch (legacy OS)	2m 22s
max features with g++ for 32-bit arch (legacy OS)	2m 18s
max features with clang for 32-bit arch (legacy OS)	2m 44s
	38m 17s

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