matz	2008-05-06 00:30:07 +0900 (Tue, 06 May 2008)

  New Revision: 16301

  Modified files:
    trunk/ChangeLog
    trunk/iseq.c

  Log:
    * iseq.c (insn_operand_intern): should handle Qundef embedded in
      operand.  [ruby-core:16656]

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=16301&r2=16300&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/iseq.c?r1=16301&r2=16300&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 16300)
+++ ChangeLog	(revision 16301)
@@ -1,3 +1,8 @@
+Tue May  6 00:29:21 2008  Yukihiro Matsumoto  <matz@r...>
+
+	* iseq.c (insn_operand_intern): should handle Qundef embedded in
+	  operand.  [ruby-core:16656]
+
 Tue May  6 00:00:02 2008  Yukihiro Matsumoto  <matz@r...>
 
 	* compile.c (iseq_compile_each): should call compile_cpath() for
Index: iseq.c
===================================================================
--- iseq.c	(revision 16300)
+++ iseq.c	(revision 16301)
@@ -660,10 +660,15 @@
       case TS_ID:		/* ID (symbol) */
 	op = ID2SYM(op);
       case TS_VALUE:		/* VALUE */
-	ret = rb_inspect(op);
-	if (CLASS_OF(op) == rb_cISeq) {
-	    rb_ary_push(child, op);
+	if (op == Qundef) {
+	    ret = rb_str_new2("undef");
 	}
+	else {
+	    ret = rb_inspect(op);
+	    if (CLASS_OF(op) == rb_cISeq) {
+		rb_ary_push(child, op);
+	    }
+	}
 	break;
 
       case TS_ISEQ:		/* iseq */

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