compiler crash on 128-bit operations

[mrk-its]

following program

#![no_std]
#![feature(start)]
#![allow(unused_variables)]

use core::panic::PanicInfo;
use ufmt_stdio::*;

#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
    println!("PANIC");
    loop {}
}

#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
    let mut result: u128 = 1;
    for i in 0..3 {
        result = result.rotate_left(1) + 1;
        println!("result: {:x}", result as u8);
    }
    0
}

crashes compiler with:

error: could not compile `hang`

Caused by:
  process didn't exit successfully: `rustc --crate-name hang --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C opt-level=s -C panic=abort -C lto -C debuginfo=0 -C debug-assertions=on -C metadata=bedb8a7130cdad6f -C extra-filename=-bedb8a7130cdad6f --out-dir /home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps --target mos-sim-none -C incremental=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/incremental -L dependency=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps -L dependency=/home/mrk/repos/aoc2021/hang/target/debug/deps --extern 'noprelude:alloc=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps/liballoc-d1ba5bbca22f24c1.rlib' --extern 'noprelude:compiler_builtins=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps/libcompiler_builtins-9aa5ae9daf052682.rlib' --extern 'noprelude:core=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps/libcore-cb8a1305de83f86f.rlib' --extern ufmt_stdio=/home/mrk/repos/aoc2021/hang/target/mos-sim-none/debug/deps/libufmt_stdio-85387fe3163ee1a0.rlib -Z unstable-options` (signal: 11, SIGSEGV: invalid memory reference)