 ///
 /// This function should not be inlined because it is cold and inlining just
 /// bloats code.
+// FIXME(ABI): add argument labels to conform to API guidelines.
 @noreturn @inline(never)
 @_semantics("stdlib_binary_only")
 func _assertionFailed(

///
/// This function should not be inlined because it is cold and it inlining just
/// bloats code.
@noreturn @inline(never)
@_semantics("stdlib_binary_only")
@_semantics("arc.programtermination_point")

  _ line: UInt, _ column: UInt,
  flags: UInt32)

// FIXME(ABI): add argument labels to conform to API guidelines.
@_silgen_name("_swift_stdlib_reportUnimplementedInitializer")
func _reportUnimplementedInitializer(
  className: UnsafePointer<UInt8>, _ classNameLength: UInt,
