Fix PR#20834 - 'is_trivially_destructible yeilds wrong answer for arrays of unknown bound' Thanks to K-ballo for the bug report. Update a few of the other tests while we're here, and fix a typo in a test name.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@216909 91177308-0d34-0410-b5e6-96231b3b80d8

include/type_traits

@@ -2861,7 +2861,7 @@ template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_move_assignable
 #if __has_feature(has_trivial_destructor) || (_GNUC_VER >= 403)
 
 template <class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_trivially_destructible
-    : public integral_constant<bool, __has_trivial_destructor(_Tp)> {};
+    : public integral_constant<bool, is_destructible<_Tp>::value && __has_trivial_destructor(_Tp)> {};
 
 #else
 

test/utilities/meta/meta.unary/meta.unary.prop/has_virtual_destructor.pass.cpp

@@ -69,7 +69,7 @@ int main()
     test_has_not_virtual_destructor<int*>();
     test_has_not_virtual_destructor<const int*>();
     test_has_not_virtual_destructor<char[3]>();
-    test_has_not_virtual_destructor<char[3]>();
+    test_has_not_virtual_destructor<char[]>();
     test_has_not_virtual_destructor<bit_zero>();
 
     test_has_virtual_destructor<Abstract>();

test/utilities/meta/meta.unary/meta.unary.prop/is_abstract.pass.cpp

@@ -61,7 +61,7 @@ int main()
     test_is_not_abstract<int*>();
     test_is_not_abstract<const int*>();
     test_is_not_abstract<char[3]>();
-    test_is_not_abstract<char[3]>();
+    test_is_not_abstract<char[]>();
     test_is_not_abstract<Union>();
     test_is_not_abstract<Empty>();
     test_is_not_abstract<bit_zero>();

test/utilities/meta/meta.unary/meta.unary.prop/is_const.pass.cpp

@@ -30,7 +30,7 @@ int main()
     test_is_const<int*>();
     test_is_const<const int*>();
     test_is_const<char[3]>();
-    test_is_const<char[3]>();
+    test_is_const<char[]>();
 
     static_assert(!std::is_const<int&>::value, "");
     static_assert(!std::is_const<const int&>::value, "");

test/utilities/meta/meta.unary/meta.unary.prop/is_empty.pass.cpp

@@ -56,7 +56,7 @@ int main()
     test_is_not_empty<int*>();
     test_is_not_empty<const int*>();
     test_is_not_empty<char[3]>();
-    test_is_not_empty<char[3]>();
+    test_is_not_empty<char[]>();
     test_is_not_empty<Union>();
     test_is_not_empty<NotEmpty>();
 

test/utilities/meta/meta.unary/meta.unary.prop/is_move_assignable.pass.cpp

@@ -60,7 +60,6 @@ int main()
     test_is_not_move_assignable<const int> ();
     test_is_not_move_assignable<int[]> ();
     test_is_not_move_assignable<int[3]> ();
-    test_is_not_move_assignable<int[3]> ();
 #endif
     test_is_not_move_assignable<void> ();
 }

test/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_destructible.pass.cpp

@@ -23,7 +23,7 @@ void test_is_nothrow_destructible()
 }
 
 template <class T>
-void test_has_not_nothrow_destructor()
+void test_is_not_nothrow_destructible()
 {
     static_assert(!std::is_nothrow_destructible<T>::value, "");
     static_assert(!std::is_nothrow_destructible<const T>::value, "");
@@ -64,9 +64,10 @@ struct A
 
 int main()
 {
-    test_has_not_nothrow_destructor<void>();
+    test_is_not_nothrow_destructible<void>();
-    test_has_not_nothrow_destructor<AbstractDestructor>();
+    test_is_not_nothrow_destructible<AbstractDestructor>();
-    test_has_not_nothrow_destructor<NotEmpty>();
+    test_is_not_nothrow_destructible<NotEmpty>();
+    test_is_not_nothrow_destructible<char[]>();
 
 #if __has_feature(cxx_noexcept)
     test_is_nothrow_destructible<A>();
@@ -83,7 +84,6 @@ int main()
     test_is_nothrow_destructible<int*>();
     test_is_nothrow_destructible<const int*>();
     test_is_nothrow_destructible<char[3]>();
-    test_is_nothrow_destructible<char[3]>();
     test_is_nothrow_destructible<Abstract>();
 #if __has_feature(cxx_noexcept)
     test_is_nothrow_destructible<bit_zero>();

test/utilities/meta/meta.unary/meta.unary.prop/is_pod.pass.cpp

@@ -48,5 +48,5 @@ int main()
     test_is_pod<int*>();
     test_is_pod<const int*>();
     test_is_pod<char[3]>();
-    test_is_pod<char[3]>();
+    test_is_pod<char[]>();
 }

test/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp

@@ -69,7 +69,7 @@ int main()
     test_is_not_polymorphic<int*>();
     test_is_not_polymorphic<const int*>();
     test_is_not_polymorphic<char[3]>();
-    test_is_not_polymorphic<char[3]>();
+    test_is_not_polymorphic<char[]>();
     test_is_not_polymorphic<Union>();
     test_is_not_polymorphic<Empty>();
     test_is_not_polymorphic<bit_zero>();

test/utilities/meta/meta.unary/meta.unary.prop/is_signed.pass.cpp

@@ -45,7 +45,7 @@ int main()
     test_is_not_signed<int*>();
     test_is_not_signed<const int*>();
     test_is_not_signed<char[3]>();
-    test_is_not_signed<char[3]>();
+    test_is_not_signed<char[]>();
     test_is_not_signed<bool>();
     test_is_not_signed<unsigned>();
 

test/utilities/meta/meta.unary/meta.unary.prop/is_trivially_destructible.pass.cpp

@@ -23,7 +23,7 @@ void test_is_trivially_destructible()
 }
 
 template <class T>
-void test_has_not_trivial_destructor()
+void test_is_not_trivially_destructible()
 {
     static_assert(!std::is_trivially_destructible<T>::value, "");
     static_assert(!std::is_trivially_destructible<const T>::value, "");
@@ -64,10 +64,11 @@ struct A
 
 int main()
 {
-    test_has_not_trivial_destructor<void>();
+    test_is_not_trivially_destructible<void>();
-    test_has_not_trivial_destructor<A>();
+    test_is_not_trivially_destructible<A>();
-    test_has_not_trivial_destructor<AbstractDestructor>();
+    test_is_not_trivially_destructible<AbstractDestructor>();
-    test_has_not_trivial_destructor<NotEmpty>();
+    test_is_not_trivially_destructible<NotEmpty>();
+    test_is_not_trivially_destructible<char[]>();
 
     test_is_trivially_destructible<Abstract>();
     test_is_trivially_destructible<int&>();
@@ -78,6 +79,5 @@ int main()
     test_is_trivially_destructible<int*>();
     test_is_trivially_destructible<const int*>();
     test_is_trivially_destructible<char[3]>();
-    test_is_trivially_destructible<char[3]>();
     test_is_trivially_destructible<bit_zero>();
 }

test/utilities/meta/meta.unary/meta.unary.prop/is_unsigned.pass.cpp

@@ -45,7 +45,7 @@ int main()
     test_is_not_unsigned<int*>();
     test_is_not_unsigned<const int*>();
     test_is_not_unsigned<char[3]>();
-    test_is_not_unsigned<char[3]>();
+    test_is_not_unsigned<char[]>();
     test_is_not_unsigned<int>();
     test_is_not_unsigned<double>();
 

test/utilities/meta/meta.unary/meta.unary.prop/is_volatile.pass.cpp

@@ -30,7 +30,7 @@ int main()
     test_is_volatile<int*>();
     test_is_volatile<const int*>();
     test_is_volatile<char[3]>();
-    test_is_volatile<char[3]>();
+    test_is_volatile<char[]>();
 
     static_assert(!std::is_volatile<int&>::value, "");
     static_assert(!std::is_volatile<volatile int&>::value, "");