minor: Update list of safe intrinsics

crates/hir_def/src/item_tree/lower.rs

@@ -694,11 +694,11 @@ enum GenericsOwner<'a> {
 
 /// Returns `true` if the given intrinsic is unsafe to call, or false otherwise.
 fn is_intrinsic_fn_unsafe(name: &Name) -> bool {
-    // Should be kept in sync with https://github.com/rust-lang/rust/blob/0cd0709f19d316c4796fa71c5f52c8612a5f3771/compiler/rustc_typeck/src/check/intrinsic.rs#L72-L105
+    // Should be kept in sync with https://github.com/rust-lang/rust/blob/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/compiler/rustc_typeck/src/check/intrinsic.rs#L72-L106
     ![
-        known::abort,
         known::add_with_overflow,
         known::bitreverse,
+        known::black_box,
         known::bswap,
         known::caller_location,
         known::ctlz,

crates/hir_expand/src/name.rs

@@ -272,6 +272,7 @@ pub mod known {
         // Safe intrinsics
         abort,
         add_with_overflow,
+        black_box,
         bitreverse,
         bswap,
         caller_location,