diff --git a/ChangeLog b/ChangeLog
index ac9afe951e..bc89a69220 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed May 21 23:07:08 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* error.c (rb_sys_fail): should not specify errno explicitly.
+	  [ruby-dev:20264]
+
 Thu May 22 02:46:38 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* eval.c (rb_eval): splat NODE_RESTARY.  [ruby-dev:20268]
@@ -17,6 +22,11 @@ Thu May 22 01:11:15 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* parse.y (yylex): slight optimization.
 
+Wed May 21 23:07:08 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* error.c (rb_sys_fail): should not specify errno explicitly.
+	  [ruby-dev:20264]
+
 Wed May 21 20:51:47 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* Makefile.in, bcc32/Makefile.sub, win32/Makefile.sub,
diff --git a/error.c b/error.c
index a90167cf2e..e2d14304db 100644
--- a/error.c
+++ b/error.c
@@ -727,16 +727,15 @@ rb_sys_fail(mesg)
 {
     extern int errno;
     int n = errno;
-    VALUE argv[2];
+    VALUE arg;
 
     errno = 0;
     if (n == 0) {
 	rb_bug("rb_sys_fail() - errno == 0");
     }
 
-    argv[0] = mesg ? rb_str_new2(mesg) : Qnil;
-    argv[1] = INT2NUM(n);
-    rb_exc_raise(rb_class_new_instance(2, argv, get_syserr(n)));
+    arg = mesg ? rb_str_new2(mesg) : Qnil;
+    rb_exc_raise(rb_class_new_instance(1, &arg, get_syserr(n)));
 }
 
 void
diff --git a/sample/test.rb b/sample/test.rb
index 1067a95c0f..7f50141d93 100644
--- a/sample/test.rb
+++ b/sample/test.rb
@@ -109,7 +109,6 @@ a,b,*c = *[*[]]; test_ok([a,b,c] == [nil,nil,[]])
 a,b,*c = *[*[1]]; test_ok([a,b,c] == [1,nil,[]])
 a,b,*c = *[*[1,2]]; test_ok([a,b,c] == [1,2,[]])
 
-def f; yield; end; f {|a| test_ok(a == nil)}
 def f; yield nil; end; f {|a| test_ok(a == nil)}
 def f; yield 1; end; f {|a| test_ok(a == 1)}
 def f; yield []; end; f {|a| test_ok(a == [])}
@@ -122,11 +121,9 @@ def f; yield [*[1,2]]; end; f {|a| test_ok(a == [1,2])}
 
 def f; yield *nil; end; f {|a| test_ok(a == nil)}
 def f; yield *1; end; f {|a| test_ok(a == 1)}
-def f; yield *[]; end; f {|a| test_ok(a == nil)}
 def f; yield *[1]; end; f {|a| test_ok(a == 1)}
 def f; yield *[nil]; end; f {|a| test_ok(a == nil)}
 def f; yield *[[]]; end; f {|a| test_ok(a == [])}
-def f; yield *[*[]]; end; f {|a| test_ok(a == nil)}
 def f; yield *[*[1]]; end; f {|a| test_ok(a == 1)}
 def f; yield *[*[1,2]]; end; f {|a| test_ok(a == [1,2])}