From d27b5948414efd9cd7a041b11744c9aab9222d05 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sun, 12 Mar 2023 22:09:04 -0700
Subject: [PATCH] RJIT: Fix a typo

and import a missing function
---
 lib/ruby_vm/rjit/insn_compiler.rb | 2 +-
 rjit_c.rb                         | 4 ++++
 tool/rjit/bindgen.rb              | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/ruby_vm/rjit/insn_compiler.rb b/lib/ruby_vm/rjit/insn_compiler.rb
index 50cafb2b92..861a6cb129 100644
--- a/lib/ruby_vm/rjit/insn_compiler.rb
+++ b/lib/ruby_vm/rjit/insn_compiler.rb
@@ -64,7 +64,7 @@ module RubyVM::RJIT
       when :setn then setn(jit, ctx, asm)
       when :adjuststack then adjuststack(jit, ctx, asm)
       when :defined then defined(jit, ctx, asm)
-      when :definedvar then definedivar(jit, ctx, asm)
+      when :definedivar then definedivar(jit, ctx, asm)
       # checkmatch
       # checkkeyword
       # checktype
diff --git a/rjit_c.rb b/rjit_c.rb
index cf9b8c3cc8..549b87c362 100644
--- a/rjit_c.rb
+++ b/rjit_c.rb
@@ -521,6 +521,10 @@ module RubyVM::RJIT # :nodoc: all
     Primitive.cexpr! %q{ SIZET2NUM((size_t)rb_hash_new_with_size) }
   end
 
+  def C.rb_ivar_defined
+    Primitive.cexpr! %q{ SIZET2NUM((size_t)rb_ivar_defined) }
+  end
+
   def C.rb_ivar_get
     Primitive.cexpr! %q{ SIZET2NUM((size_t)rb_ivar_get) }
   end
diff --git a/tool/rjit/bindgen.rb b/tool/rjit/bindgen.rb
index ec943505d9..cb43e33b0b 100755
--- a/tool/rjit/bindgen.rb
+++ b/tool/rjit/bindgen.rb
@@ -513,6 +513,7 @@ generator = BindingGenerator.new(
     rjit_optimized_call
     rjit_str_neq_internal
     rjit_record_exit_stack
+    rb_ivar_defined
   ],
   types: %w[
     CALL_DATA