.

Author: tekknolagi

test/ruby/test_yjit.rb

@@ -658,7 +658,7 @@ def foo(obj)
   end
 
   def test_struct_aset_guards_recv_is_not_frozen
-    assert_compiles(<<~RUBY), result: :ok
+    assert_compiles(<<~RUBY, result: :ok, exits: { opt_send_without_block: 1 })
       def foo(obj)
         obj.foo = 123
       end

yjit/src/codegen.rs

@@ -8977,6 +8977,7 @@ fn gen_struct_aset(
     // that the recv is not frozen.
     // We know all structs are heap objects, so we can check the flag directly.
     let recv = asm.stack_opnd(1);
+    let recv = asm.load(recv);
     let flags = asm.load(Opnd::mem(VALUE_BITS, recv, RUBY_OFFSET_RBASIC_FLAGS));
     asm.test(flags, (RUBY_FL_FREEZE as u64).into());
     asm.jnz(Target::side_exit(Counter::opt_aset_frozen));