1use luaur_common::LUAU_ASSERT; 2 3#[allow(non_snake_case)] 4pub(crate) fn log2(mut v: i32) -> i32 { 5 LUAU_ASSERT!(v != 0); 6 7 let mut r = 0; 8 9 while v >= (2 << r) { 10 r += 1; 11 } 12 13 r 14}