  #endif /* RUBY_VM_CORE_H */
 Index: iseq.c
 ===================================================================
---- iseq.c	(revision 27492)
+--- iseq.c	(revision 27600)
 +++ iseq.c	(working copy)
 @@ -23,6 +23,38 @@
  

Index: include/ruby/ruby.h
===================================================================
--- include/ruby/ruby.h	(revision 27492)
+++ include/ruby/ruby.h	(working copy)
@@ -1341,7 +1341,9 @@
 #define RUBY_EVENT_C_CALL    0x0020
 #define RUBY_EVENT_C_RETURN  0x0040
 #define RUBY_EVENT_RAISE     0x0080

     VALUE filename = srcfile ? rb_str_new2(srcfile) : Qnil;
     VALUE argv[6];
     int line = rb_sourceline();
@@ -4035,11 +4116,16 @@
     VALUE klass = 0;
 
     if (p->event == RUBY_EVENT_C_CALL ||
