YJIT: Skip printing stats at exit if --yjit-disable (#8727)

Author: k0kubun

test/ruby/test_yjit.rb

@@ -1388,6 +1388,10 @@ def test_opt_mult_overflow
     assert_no_exits('0xfff_ffff_ffff_ffff * 0x10')
   end
 
+  def test_disable_stats
+    assert_in_out_err(%w[--yjit-stats --yjit-disable])
+  end
+
   private
 
   def code_gc_helpers

yjit/src/stats.rs

@@ -515,7 +515,7 @@ pub extern "C" fn rb_yjit_stats_enabled_p(_ec: EcPtr, _ruby_self: VALUE) -> VALU
 /// Check if stats generation should print at exit
 #[no_mangle]
 pub extern "C" fn rb_yjit_print_stats_p(_ec: EcPtr, _ruby_self: VALUE) -> VALUE {
-    if get_option!(print_stats) {
+    if yjit_enabled_p() && get_option!(print_stats) {
         return Qtrue;
     } else {
         return Qfalse;