Revert "Revert "Add a specialized instruction for `.nil?` calls""

This reverts commit a0980f2446c0db735b8ffeb37e241370c458a626.

Retry for macOS Mojave.

1 files changed, 1 insertions, 1 deletions

diff --git a/object.c b/object.c
index 3aa7cd20d2..16dce71671 100644
--- a/object.c
+++ b/object.c
@@ -1687,7 +1687,7 @@ rb_true(VALUE obj)
  */
 
 
-static VALUE
+MJIT_FUNC_EXPORTED VALUE
 rb_false(VALUE obj)
 {
     return Qfalse;