error: functions in `extern` blocks cannot have qualifiers
  --> $DIR/no-const-fn-in-extern-block.rs:2:14
   |
LL | extern "C" {
   | ---------- in this `extern` block
LL |     const fn foo();
   |              ^^^
   |
help: remove the qualifiers
   |
LL |     fn foo();
   |     ~~

error: functions in `extern` blocks cannot have qualifiers
  --> $DIR/no-const-fn-in-extern-block.rs:4:21
   |
LL | extern "C" {
   | ---------- in this `extern` block
...
LL |     const unsafe fn bar();
   |                     ^^^
   |
help: remove the qualifiers
   |
LL |     fn bar();
   |     ~~

error: aborting due to 2 previous errors