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GNU GCC

Sanitizer

AddressSanitizer

g++ -fsanitize=address -g your_program.cpp -o your_program

UndefinedBehaviorSanitizer

g++ -fsanitize=undefined -g your_program.cpp -o your_program

Keep Checking

Don't stop at the first error (AddressSanitizer):

export ASAN_OPTIONS=halt_on_error=0