error: constant expression depends on a generic parameter
  --> $DIR/generic-parameter-in-const-expression-39211.rs:9:17
   |
LL |     let a = [3; M::Row::DIM];
   |                 ^^^^^^^^^^^
   |
   = note: this may fail depending on what value the parameter takes

error: constant expression depends on a generic parameter
  --> $DIR/generic-parameter-in-const-expression-39211.rs:9:13
   |
LL |     let a = [3; M::Row::DIM];
   |             ^^^^^^^^^^^^^^^^
   |
   = note: this may fail depending on what value the parameter takes

error: aborting due to 2 previous errors