diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3ceb05a10b4f20abbe9edade9311937278de2e2d..864a580fcd2e76b52ee10bfe27061bf07576d3e6 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* 20_util/make_signed/requirements/typedefs-1.cc: Correct requirements.
+	* 20_util/make_unsigned/requirements/typedefs-1.cc: Same.
+
 2008-05-01  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/bits/c++config: Revert _GLIBCXX_LONG_DOUBLE_COMPAT change.
diff --git a/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc b/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc
index 0dea4ca073bf7cd3286a1ccd67f89b95fffe18ee..519eb4762f14ed203a633be0453a1be1364222a8 100644
--- a/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc
+++ b/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc
@@ -2,7 +2,7 @@
 
 // 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
 //
-// Copyright (C) 2007 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -30,6 +30,7 @@ void test01()
   bool test __attribute__((unused)) = true;
   using std::make_signed;
   using std::is_same;
+  using std::is_signed;
 
   // Positive tests.
   typedef make_signed<const int>::type  	test2_type;
@@ -52,8 +53,10 @@ void test01()
   VERIFY( (is_same<test23_type, volatile signed wchar_t>::value) );
 #endif
 
+  // Chapter 48, chapter 20. Smallest rank such that new signed type same size.
   typedef make_signed<test_enum>::type  	test25_type;
-  VERIFY( (is_same<test25_type, int>::value) );
+  VERIFY( is_signed<test25_type>::value );
+  VERIFY( sizeof(test25_type) == sizeof(test_enum) );
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc b/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc
index ead941c645b9c61d72980bc0fff2fd410435a6da..8e774f43eb5488e2c97bc7e8aea13b1adb3c20c0 100644
--- a/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc
+++ b/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc
@@ -2,7 +2,7 @@
 
 // 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
 //
-// Copyright (C) 2007 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -30,6 +30,7 @@ void test01()
   bool test __attribute__((unused)) = true;
   using std::make_unsigned;
   using std::is_same;
+  using std::is_unsigned;
 
   // Positive tests.
   typedef make_unsigned<const unsigned int>::type  	test2_type;
@@ -52,8 +53,11 @@ void test01()
   VERIFY( (is_same<test23_type, volatile wchar_t>::value) );
 #endif
 
+  // Chapter 48, chapter 20. Smallest rank such that new unsigned type
+  // same size.
   typedef make_unsigned<test_enum>::type  	test25_type;
-  VERIFY( (is_same<test25_type, unsigned int>::value) );
+  VERIFY( is_unsigned<test25_type>::value );
+  VERIFY( sizeof(test25_type) == sizeof(test_enum) );
 }
 
 int main()