Realloc

            const Realloc = struct {
                memory: *MemoryDependency,
                alignment: Alignment,
                new_len: usize,

                splat: ?u8,
                /// Not embeded directly in the struct as a workaround for tsan since a
                /// switch directly on `Op` loads the entire value non-atomically.
                result: *MemoryDependency,
            }