Fix invokesuper for railsbench

2 files changed, 8 insertions, 1 deletions

diff --git a/lib/ruby_vm/mjit/insn_compiler.rb b/lib/ruby_vm/mjit/insn_compiler.rb
index 29a66b4913..a266c11665 100644
--- a/lib/ruby_vm/mjit/insn_compiler.rb
+++ b/lib/ruby_vm/mjit/insn_compiler.rb
@@ -2114,7 +2114,7 @@ module RubyVM::MJIT
       # and so only have to do this once at compile time this is fine to always
       # check and side exit.
       comptime_recv = jit.peek_at_stack(argc)
-      unless comptime_recv.kind_of?(current_defined_class)
+      unless C.rb_obj_is_kind_of(comptime_recv, current_defined_class)
         return CantCompile
       end
 
@@ -2125,6 +2125,12 @@ module RubyVM::MJIT
         return CantCompile
       end
 
+      # workaround -- TODO: Why does this happen?
+      if me.to_i == cme.to_i
+        asm.incr_counter(:invokesuper_same_me)
+        return CantCompile
+      end
+
       # Check that we'll be able to write this method dispatch before generating checks
       cme_def_type = cme.def.type
       if cme_def_type != C.VM_METHOD_TYPE_ISEQ && cme_def_type != C.VM_METHOD_TYPE_CFUNC
diff --git a/lib/ruby_vm/mjit/stats.rb b/lib/ruby_vm/mjit/stats.rb
index 22be01fe34..55146be479 100644
--- a/lib/ruby_vm/mjit/stats.rb
+++ b/lib/ruby_vm/mjit/stats.rb
@@ -35,6 +35,7 @@ module RubyVM::MJIT
       $stderr.puts("***MJIT: Printing MJIT statistics on exit***")
 
       print_counters(stats, prefix: 'send_', prompt: 'method call exit reasons')
+      print_counters(stats, prefix: 'invokesuper_', prompt: 'invokesuper exit reasons')
       print_counters(stats, prefix: 'getivar_', prompt: 'getinstancevariable exit reasons')
       print_counters(stats, prefix: 'optaref_', prompt: 'opt_aref exit reasons')
       print_counters(stats, prefix: 'optgetconst_', prompt: 'opt_getconstant_path exit reasons')