One advantage of Valgrind over Address Sanitizer is that you're not limited to checking C/C++ programs. For example I am developping a programming language for

One advantage of Valgrind over Address Sanitizer is that you're not limited to checking C/C++ programs. For example I am developping a programming language for fun and I can check for bad memory usages using Valgrind. From what I understand, that wouldn't be possible with Google's tool.