error[E0308]: mismatched types
  --> $DIR/unboxing-needing-parenthases-issue-132924.rs:5:29
   |
LL |     let test: Option<i32> = x;
   |               -----------   ^ expected `Option<i32>`, found `Box<Option<{integer}>>`
   |               |
   |               expected due to this
   |
   = note: expected enum `Option<i32>`
            found struct `Box<Option<{integer}>>`
help: consider unboxing the value
   |
LL |     let test: Option<i32> = *x;
   |                             +

error[E0308]: mismatched types
  --> $DIR/unboxing-needing-parenthases-issue-132924.rs:8:31
   |
LL |     let test: Option<i32> = { x as Box<Option<i32>> };
   |                               ^^^^^^^^^^^^^^^^^^^^^ expected `Option<i32>`, found `Box<Option<i32>>`
   |
   = note: expected enum `Option<_>`
            found struct `Box<Option<_>>`
help: consider unboxing the value
   |
LL |     let test: Option<i32> = { *(x as Box<Option<i32>>) };
   |                               ++                     +

error[E0308]: mismatched types
  --> $DIR/unboxing-needing-parenthases-issue-132924.rs:12:39
   |
LL |     let test: Option<i32> = if true { x as Box<Option<i32>> } else { None };
   |                                       ^^^^^^^^^^^^^^^^^^^^^ expected `Option<i32>`, found `Box<Option<i32>>`
   |
   = note: expected enum `Option<_>`
            found struct `Box<Option<_>>`
help: consider unboxing the value
   |
LL |     let test: Option<i32> = if true { *(x as Box<Option<i32>>) } else { None };
   |                                       ++                     +

error[E0308]: mismatched types
  --> $DIR/unboxing-needing-parenthases-issue-132924.rs:16:29
   |
LL |     let test: Option<i32> = x as std::rc::Rc<Option<i32>>;
   |               -----------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<i32>`, found `Rc<Option<i32>>`
   |               |
   |               expected due to this
   |
   = note: expected enum `Option<_>`
            found struct `Rc<Option<_>>`
help: consider dereferencing the type
   |
LL |     let test: Option<i32> = *(x as std::rc::Rc<Option<i32>>);
   |                             ++                             +

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0308`.