Fix Memory Leak Risk of Cpp Target #936

Job	Run time
cpp-lib-build (macos-11, clang, ON)	1m 50s
cpp-lib-build (macos-11, clang, OFF)	1m 25s
cpp-lib-build (macos-11, gcc, ON)	3m 18s
build (macos-11, tool)	1m 49s
cpp-lib-build (macos-11, gcc, OFF)	3m 4s
build (macos-11, cpp)	26m 28s
cpp-lib-build (ubuntu-20.04, clang, ON)	1m 29s
build (macos-11, csharp)	10m 47s
cpp-lib-build (ubuntu-20.04, clang, OFF)	1m 4s
build (macos-11, dart)	5m 54s
cpp-lib-build (ubuntu-20.04, gcc, ON)	1m 2s
build (macos-11, go)	4m 55s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	1m 9s
build (macos-11, java)	2m 9s
cpp-lib-build (windows-2022, clang, ON)	5m 1s
build (macos-11, javascript)	3m 1s
cpp-lib-build (windows-2022, clang, OFF)	6m 2s
build (macos-11, typescript)	19m 52s
cpp-lib-build (windows-2022, cl)	4m 55s
build (macos-11, php)	2m 12s
build (macos-11, python3)	1m 48s
build (ubuntu-20.04, tool)	1m 3s
build (ubuntu-20.04, cpp)	15m 15s
build (ubuntu-20.04, csharp)	5m 39s
build (ubuntu-20.04, dart)	3m 31s
build (ubuntu-20.04, go)	2m 21s
build (ubuntu-20.04, java)	1m 10s
build (ubuntu-20.04, javascript)	1m 19s
build (ubuntu-20.04, typescript)	9m 55s
build (ubuntu-20.04, php)	1m 25s
build (ubuntu-20.04, python3)	59s
build (windows-2022, tool)	1m 50s
build (windows-2022, cpp)	21m 42s
build (windows-2022, csharp)	8m 5s
build (windows-2022, dart)	5m 0s
build (windows-2022, go)	7m 5s
build (windows-2022, java)	2m 6s
build (windows-2022, javascript)	2m 10s
build (windows-2022, typescript)	25m 18s
build (windows-2022, php)	2m 44s
build (windows-2022, python3)	2m 13s
	3h 50m 4s

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