This makes the behavior similar to cp
chmod u+s,g+s,o+x a sudo llvm-strip a -o b // With this patch, b drops set-user-ID and set-group-ID bits. // sudo cp a b => b does not have set-user-ID or set-group-ID bits.
This also changes the behavior for the following case:
chmod u+s,g+s,o+x a llvm-strip a // a preserves set-user-ID and set-group-ID bits. // This matches binutils<2.36 and probably >=2.37. 2.36 and 2.36.1 have some compatibility issues.