contract C {
  function f() public {
    bytes[32] memory a;
    a[8**90][8**90][8**90*0.1];
  }
}
// ----
// TypeError: (67-72): Type "int_const 1897...(74 digits omitted)...1424" is not implicitly convertible to expected type "uint256".
// TypeError: (74-79): Type "int_const 1897...(74 digits omitted)...1424" is not implicitly convertible to expected type "uint256".
// TypeError: (81-90): Type "rational_const 9485...(73 digits omitted)...5712 / 5" is not implicitly convertible to expected type "uint256".
// TypeError: (65-91): Index expression cannot be represented as an unsigned integer.