How use Memory Sanitizer with use GCC?

Question

I want to use this kind of sanitizer in gcc. How can I do this? Is such an operation possible?

I found solution for clang: clang -fsanitize=memory -fno-omit-frame-pointer -g -O2 umr.cc but I don't know how use this in gcc

Answer 1

This is impossible - GCC does not support MSan.