error: internal compiler error: compiler/rustc_mir_transform/src/validate.rs:LL:CC: broken MIR in Item(DefId) (after phase change to runtime-optimized) at bb0[1]:
                                place (*(_2.0: *mut i32)) has deref as a later projection (it is only permitted as the first projection)
  --> tests/panic/mir-validation.rs:LL:CC
   |
LL |             *(tuple.0) = 1;
   |             ^^^^^^^^^^^^^^


thread 'rustc' ($TID) panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC:
Box<dyn Any>
stack backtrace:




query stack during panic:
#0 [optimized_mir] optimizing MIR for `main`
end of query stack

Miri caused an ICE during evaluation. Here's the interpreter backtrace at the time of the panic:
  --> RUSTLIB/core/src/ops/function.rs:LL:CC
   |
LL |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |

error: aborting due to 1 previous error