`cannot use an outer type parameter in this context`

[yongqli]

I get the error:

error[E0402]: cannot use an outer type parameter in this context
  --> <anon>:11:17
   |
11 |     let a = [3; M::Row::DIM];
   |                 ^^^^^^^^^^^

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

https://gist.github.com/73a223aa33c081bf47d84c2bf52fcc19

[est31]

The given example is very similar to the one in #34344 , but this example ICE's on current nightly, while the other example gives a proper error.

[est31]

cc #29646

[withoutboats]

This now returns a proper error just like #34344. This should probably be closed.

[est31]

Maybe a regression test should be added?