error: expected at least one digit in exponent
  --> $DIR/issue-91434.rs:2:11
   |
LL |     [9; [[9E; h]]];
   |           ^^

error[E0425]: cannot find value `h` in this scope
  --> $DIR/issue-91434.rs:2:15
   |
LL |     [9; [[9E; h]]];
   |               ^ not found in this scope

error: constant expression depends on a generic parameter
  --> $DIR/issue-91434.rs:2:9
   |
LL |     [9; [[9E; h]]];
   |         ^^^^^^^^^
   |
   = note: this may fail depending on what value the parameter takes

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0425`.