error: expected type, found `0` --> $DIR/issue-39616.rs:1:12 | LL | fn foo(a: [0; 1]) {} | ^ expected type error: expected one of `)`, `,`, `->`, `;`, `where`, or `{`, found `]` --> $DIR/issue-39616.rs:1:16 | LL | fn foo(a: [0; 1]) {} | ^ expected one of `)`, `,`, `->`, `;`, `where`, or `{` error: aborting due to 2 previous errors