nobu	2017-12-22 10:12:02 +0900 (Fri, 22 Dec 2017)

  New Revision: 61403

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61403

  Log:
    iseq.c (rb_insn_operand_intern): needs parenthesies

  Modified files:
    trunk/iseq.c
Index: iseq.c
===================================================================
--- iseq.c	(revision 61402)
+++ iseq.c	(revision 61403)
@@ -1420,9 +1420,9 @@ rb_insn_operand_intern(const rb_iseq_t * https://github.com/ruby/ruby/blob/trunk/iseq.c#L1420
 		ret = rb_str_new_cstr(type_str);
 	    }
 	    else if (insn == BIN(defined) && op_no == 0 &&
-		     (enum defined_type)op == DEFINED_FUNC ? (ret = rb_fstring_cstr("func"), 1) :
-		     (enum defined_type)op == DEFINED_REF ? (ret = rb_fstring_cstr("ref"), 1) :
-		     (ret = rb_iseq_defined_string((enum defined_type)op)) != 0) {
+		     ((enum defined_type)op == DEFINED_FUNC ? (ret = rb_fstring_cstr("func"), 1) :
+		      (enum defined_type)op == DEFINED_REF ? (ret = rb_fstring_cstr("ref"), 1) :
+		      (ret = rb_iseq_defined_string((enum defined_type)op)) != 0)) {
 		/* ok */
 	    }
 	    else {

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