re PR libstdc++/53840 ([C++11] DR 921. Rational Arithmetic should use template aliases)

2012-07-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/53840
	* include/std/ratio (ratio_multiply, ratio_divide, ratio_add,
	ratio_subtract): Use template aliases.
	* include/std/chrono (duration<>::duration(const duration<>&),
	duration_cast): Adjust.
	* testsuite/20_util/ratio/operations/53840.cc: New.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.

From-SVN: r189239

5 files changed, 37 insertions, 10 deletions

diff --git a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg1.cc b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg1.cc
index 1e9c69e..a3671b0 100644
--- a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg1.cc
+++ b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg1.cc
@@ -3,7 +3,7 @@
 // { dg-require-cstdint "" }
 // 2008-07-31 Chris Fairles <chris.fairles@gmail.com>
 
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 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
@@ -31,5 +31,5 @@ void test01()
   test_type d;
 }
 
-// { dg-error "rep cannot be a duration" "" { target *-*-* } 226 }
+// { dg-error "rep cannot be a duration" "" { target *-*-* } 225 }
 // { dg-error "required from here" "" { target *-*-* } 31 }
diff --git a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg2.cc b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg2.cc
index a3ab769..17d24e5 100644
--- a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg2.cc
+++ b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg2.cc
@@ -3,7 +3,7 @@
 // { dg-require-cstdint "" }
 // 2008-07-31 Chris Fairles <chris.fairles@gmail.com>
 
-// Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 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
@@ -32,5 +32,5 @@ void test01()
   test_type d;			// { dg-error "required from here" }
 }
 
-// { dg-error "must be a specialization of ratio" "" { target *-*-* } 227 }
+// { dg-error "must be a specialization of ratio" "" { target *-*-* } 226 }
 // { dg-prune-output "not a member" }
diff --git a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc
index 940af7f..4b2df49 100644
--- a/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc
+++ b/libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc
@@ -3,7 +3,7 @@
 // { dg-require-cstdint "" }
 // 2008-07-31 Chris Fairles <chris.fairles@gmail.com>
 
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 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
@@ -33,5 +33,5 @@ void test01()
   test_type d;
 }
 
-// { dg-error "period must be positive" "" { target *-*-* } 229 }
+// { dg-error "period must be positive" "" { target *-*-* } 228 }
 // { dg-error "required from here" "" { target *-*-* } 33 }
diff --git a/libstdc++-v3/testsuite/20_util/ratio/operations/53840.cc b/libstdc++-v3/testsuite/20_util/ratio/operations/53840.cc
new file mode 100644
index 0000000..780c321
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/ratio/operations/53840.cc
@@ -0,0 +1,27 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+// { dg-do compile }
+
+// Copyright (C) 2012 Free Software Foundation
+//
+// 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <chrono>
+
+std::chrono::duration<long, std::ratio_divide<std::kilo, std::milli>>   d1;
+std::chrono::duration<long, std::ratio_multiply<std::kilo, std::milli>> d2;
+std::chrono::duration<long, std::ratio_add<std::kilo, std::milli>>      d3;
+std::chrono::duration<long, std::ratio_subtract<std::kilo, std::milli>> d4;
diff --git a/libstdc++-v3/testsuite/20_util/ratio/operations/ops_overflow_neg.cc b/libstdc++-v3/testsuite/20_util/ratio/operations/ops_overflow_neg.cc
index 51a6bf6..150aef6 100644
--- a/libstdc++-v3/testsuite/20_util/ratio/operations/ops_overflow_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/ratio/operations/ops_overflow_neg.cc
@@ -4,7 +4,7 @@
 
 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
 
-// Copyright (C) 2008, 2009, 2011 Free Software Foundation
+// Copyright (C) 2008, 2009, 2011, 2012 Free Software Foundation
 //
 // 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
@@ -40,9 +40,9 @@ test02()
 }
 
 // { dg-error "required from here" "" { target *-*-* } 29 }
-// { dg-error "required from here" "" { target *-*-* } 36 }
-// { dg-error "required from here" "" { target *-*-* } 38 }
-// { dg-error "overflow in addition" "" { target *-*-* } 429 }
+// { dg-error "expected initializer" "" { target *-*-* } 36 }
+// { dg-error "expected initializer" "" { target *-*-* } 38 }
+// { dg-error "overflow in addition" "" { target *-*-* } 435 }
 // { dg-error "overflow in multiplication" "" { target *-*-* } 97 }
 // { dg-error "overflow in multiplication" "" { target *-*-* } 99 }
 // { dg-error "overflow in multiplication" "" { target *-*-* } 101 }