error: extern items cannot be `const`
  --> $DIR/foreign-const-syntactic-fail.rs:7:11
   |
LL |     const A: isize;
   |           ^
   |
   = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html
help: try using a static value
   |
LL |     static A: isize;
   |     ~~~~~~

error: extern items cannot be `const`
  --> $DIR/foreign-const-syntactic-fail.rs:8:11
   |
LL |     const B: isize = 42;
   |           ^
   |
   = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html
help: try using a static value
   |
LL |     static B: isize = 42;
   |     ~~~~~~

error: aborting due to 2 previous errors