nobu	2018-08-03 20:13:15 +0900 (Fri, 03 Aug 2018)

  New Revision: 64171

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64171

  Log:
    random.c: fix fallback value

  Modified files:
    trunk/random.c
Index: random.c
===================================================================
--- random.c	(revision 64170)
+++ random.c	(revision 64171)
@@ -1160,14 +1160,12 @@ random_s_bytes(VALUE obj, VALUE len) https://github.com/ruby/ruby/blob/trunk/random.c#L1160
 static VALUE
 range_values(VALUE vmax, VALUE *begp, VALUE *endp, int *exclp)
 {
-    VALUE end, r;
+    VALUE end;
 
     if (!rb_range_values(vmax, begp, &end, exclp)) return Qfalse;
     if (endp) *endp = end;
     if (NIL_P(end)) return Qnil;
-    r = rb_check_funcall(end, id_minus, 1, begp);
-    if (NIL_P(r)) return Qfalse;
-    return r;
+    return rb_check_funcall_default(end, id_minus, 1, begp, Qfalse);
 }
 
 static VALUE

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