error: a trailing `|` is not allowed in an or-pattern
  --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:8:11
   |
LL |         ! |
   |         - ^
   |         |
   |         while parsing this or-pattern starting here

error: a never pattern is always unreachable
  --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:10:20
   |
LL |         if true => {}
   |                    ^^
   |                    |
   |                    this will never be executed
   |                    help: remove this expression

error: mismatched types
  --> $DIR/ICE-130779-never-arm-no-oatherwise-block.rs:8:9
   |
LL |         ! |
   |         ^ a never pattern must be used on an uninhabited type
   |
   = note: the matched value is of type `E`

error: aborting due to 3 previous errors