use@use-HP-Pavilion-dv6-Notebook-PC:~/zigtimsort$ time ./zigtimsort
allocating
Running default sort
Default sort took: 65158
Running TimSort sort
reached unreachable code
/home/use/zig/lib/std/debug.zig:228:14: 0x203f1b in std.debug.assert (zigtimsort)
    if (!ok) unreachable; // assertion failure
             ^
/home/use/zig/lib/std/array_list.zig:88:19: 0x23f2dc in std.array_list.AlignedArrayList([]f64,null).set (zigtimsort)
            assert(i < self.items.len);
                  ^
/home/use/zigtimsort/src/main.zig:353:26: 0x238e45 in timSort (zigtimsort)
                stack.set(stack_n - 1, new_slice);
                         ^
/home/use/zigtimsort/src/main.zig:428:16: 0x22b500 in main (zigtimsort)
    try timSort(f64, values2, std.sort.asc(f64));
               ^
/home/use/zig/lib/std/start.zig:253:37: 0x204f7d in std.start.posixCallMainAndExit (zigtimsort)
            const result = root.main() catch |err| {
                                    ^
/home/use/zig/lib/std/start.zig:123:5: 0x204cbf in std.start._start (zigtimsort)
    @call(.{ .modifier = .never_inline }, posixCallMainAndExit, .{});
    ^
Abandon (core dumped)

real    1m15,362s
user    1m14,192s
sys     0m0,588s