error[E0716]: temporary value dropped while borrowed
  --> $DIR/issue-44373.rs:4:42
   |
LL |     let _val: &'static [&'static u32] = &[&FOO];
   |               -----------------------    ^^^^^^ creates a temporary value which is freed while still in use
   |               |
   |               type annotation requires that borrow lasts for `'static`
LL | }
   | - temporary value is freed at the end of this statement

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0716`.