C++学习（四零五）编译选项use-cxa-atexit no-use-cxa-atexit
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在 GCC docs中，
-fuse-cxa-atexit
Register destructors for objects with static storage duration with the __cxa_atexit function rather than the atexit function. This option is required for fully standards-compliant handling of static destructors, but only works if your C library supports __cxa_atexit.
在clang的参考手册Clang command line argument reference — Clang 13 documentation中，
Override the default ABI to return small structs in registers
-fregister-global-dtors-with-atexit, -fno-register-global-dtors-with-atexit
Use atexit or __cxa_atexit to register global destructors
-fuse-cxa-atexit, -fno-use-cxa-atexit
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