re PR libstdc++/46303 ('mutex' is not a member of 'std' failures in…

re PR libstdc++/46303 ('mutex' is not a member of 'std' failures in 30_threads/call_once/constexpr.cc, 30_threads/mutex/cons/constexpr.cc,  30_threads/once_flag/cons/constexpr.cc)

2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/46303
	* testsuite/30_threads/call_once/constexpr.cc: Add missing dg-require
	directives.
	* testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
	* testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.

2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/ratio (ratio_add, ratio_subtract, ratio_multiply,
	ratio_divide): Declare the data members constexpr.
	* testsuite/20_util/ratio/requirements/constexpr_data.cc: Extend.

From-SVN: r166319

libstdc++-v3/ChangeLog

+2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR libstdc++/46303
+	* testsuite/30_threads/call_once/constexpr.cc: Add missing dg-require
+	directives.
+	* testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
+	* testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
+
+2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/std/ratio (ratio_add, ratio_subtract, ratio_multiply,
+	ratio_divide): Declare the data members constexpr.
+	* testsuite/20_util/ratio/requirements/constexpr_data.cc: Extend.
+
 2010-11-03  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/std/tuple (tuple): Make default constructors constexpr.

libstdc++-v3/include/std/ratio

@@ -185,15 +185,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
           __safe_multiply<_R2::num, (_R1::den / __gcd)>::value>::value,
         __safe_multiply<_R1::den, (_R2::den / __gcd)>::value> type;
 
-      static const intmax_t num = type::num;
-      static const intmax_t den = type::den;
+      static constexpr intmax_t num = type::num;
+      static constexpr intmax_t den = type::den;
     };
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_add<_R1, _R2>::num;
+    constexpr intmax_t ratio_add<_R1, _R2>::num;
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_add<_R1, _R2>::den;
+    constexpr intmax_t ratio_add<_R1, _R2>::den;
 
   /// ratio_subtract
   template<typename _R1, typename _R2>
@@ -203,15 +203,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
         _R1,
         ratio<-_R2::num, _R2::den>>::type type;
 
-      static const intmax_t num = type::num;
-      static const intmax_t den = type::den;
+      static constexpr intmax_t num = type::num;
+      static constexpr intmax_t den = type::den;
     };
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_subtract<_R1, _R2>::num;
+    constexpr intmax_t ratio_subtract<_R1, _R2>::num;
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_subtract<_R1, _R2>::den;
+    constexpr intmax_t ratio_subtract<_R1, _R2>::den;
 
   /// ratio_multiply
   template<typename _R1, typename _R2>
@@ -230,15 +230,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
         __safe_multiply<(_R1::den / __gcd2),
                         (_R2::den / __gcd1)>::value> type;
 
-      static const intmax_t num = type::num;
-      static const intmax_t den = type::den;
+      static constexpr intmax_t num = type::num;
+      static constexpr intmax_t den = type::den;
     };
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_multiply<_R1, _R2>::num;
+    constexpr intmax_t ratio_multiply<_R1, _R2>::num;
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_multiply<_R1, _R2>::den;
+    constexpr intmax_t ratio_multiply<_R1, _R2>::den;
 
   /// ratio_divide
   template<typename _R1, typename _R2>
@@ -250,15 +250,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
         _R1,
         ratio<_R2::den, _R2::num>>::type type;
 
-      static const intmax_t num = type::num;
-      static const intmax_t den = type::den;
+      static constexpr intmax_t num = type::num;
+      static constexpr intmax_t den = type::den;
     };
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_divide<_R1, _R2>::num;
+    constexpr intmax_t ratio_divide<_R1, _R2>::num;
 
   template<typename _R1, typename _R2>
-    const intmax_t ratio_divide<_R1, _R2>::den;
+    constexpr intmax_t ratio_divide<_R1, _R2>::den;
 
   /// ratio_equal
   template<typename _R1, typename _R2>

libstdc++-v3/testsuite/20_util/ratio/requirements/constexpr_data.cc

@@ -49,6 +49,12 @@ namespace __gnu_test
 int main()
 {
   __gnu_test::constexpr_member_data test;
-  test.operator()<std::ratio<600, 900>>();
+  typedef std::ratio<600, 900> R1;
+  typedef std::ratio<700, 200> R2;
+  test.operator()<R1>();
+  test.operator()<std::ratio_add<R1, R2>>();
+  test.operator()<std::ratio_subtract<R1, R2>>();
+  test.operator()<std::ratio_multiply<R1, R2>>();
+  test.operator()<std::ratio_divide<R1, R2>>();
   return 0;
 }

libstdc++-v3/testsuite/30_threads/call_once/constexpr.cc

 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+// { dg-require-gthreads "" }
 
 // Copyright (C) 2010 Free Software Foundation, Inc.
 //

libstdc++-v3/testsuite/30_threads/mutex/cons/constexpr.cc

 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+// { dg-require-gthreads "" }
 
 // Copyright (C) 2010 Free Software Foundation, Inc.
 //

libstdc++-v3/testsuite/30_threads/once_flag/cons/constexpr.cc

 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+// { dg-require-gthreads "" }
 
 // Copyright (C) 2010 Free Software Foundation, Inc.
 //