Improve docs for Library Fundamentals TS

	* doc/doxygen/doxygroups.cc: Move description of experimental group
	here.
	* include/experimental/algorithm: Add to libfund-ts doc group.
	* include/experimental/any: Likewise. Do not document implementation
	details.
	* include/experimental/array: Add to libfund-ts doc group.
	* include/experimental/bits/lfts_config.h: Define libfund-ts doc group
	for Library Fundamentals.
	* include/experimental/chrono: Add to libfund-ts doc group.
	* include/experimental/deque: Likewise.
	* include/experimental/forward_list: Likewise.
	* include/experimental/functional: Likewise.
	* include/experimental/iterator: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/memory: Likewise.
	* include/experimental/memory_resource: Likewise. Improve docs.
	details.
	* include/experimental/numeric: Add to libfund-ts doc group.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/random: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/regex: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/source_location: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/type_traits: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/utility: Likewise.
	* include/experimental/vector: Likewise.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
	* testsuite/experimental/array/neg.cc: Adjust dg-error.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.

From-SVN: r270809

6 files changed, 14 insertions, 20 deletions

diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
index 3deef6b9904..84e8baae26d 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/assignment/move_neg.cc
@@ -25,8 +25,6 @@
 using std::experimental::propagate_const;
 using std::unique_ptr;
 
-// { dg-error "no type" "" { target *-*-* } 160 }
-
 int main()
 {
   propagate_const<unique_ptr<const int>> test5;
@@ -35,3 +33,4 @@ int main()
   propagate_const<unique_ptr<const int>> test6;
   test6 = dummy2; // { dg-error "no match" }
 }
+// { dg-prune-output "no type" }
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
index e384fe96143..d4bd4dd34ea 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/cons/move_neg.cc
@@ -25,11 +25,6 @@
 using std::experimental::propagate_const;
 using std::unique_ptr;
 
-// { dg-error "no type" "" { target *-*-* } 118 }
-// { dg-error "no type" "" { target *-*-* } 125 }
-// { dg-error "no type" "" { target *-*-* } 134 }
-// { dg-error "no type" "" { target *-*-* } 143 }
-
 int main()
 {
   const int dummy{42};
@@ -39,3 +34,4 @@ int main()
   propagate_const<unique_ptr<const int>> test4 = &dummy; // { dg-error "conversion" }
   propagate_const<unique_ptr<const int>> test5 = std::move(test1); // { dg-error "conversion" }
 }
+// { dg-prune-output "no type" }
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
index 29b63eae67e..11d6bfd1b68 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements2.cc
@@ -21,9 +21,8 @@
 
 using std::experimental::propagate_const;
 
-// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 107 }
-// { dg-error "not a pointer-to-object type" "" { target *-*-* } 66 }
-// { dg-error "forming pointer to reference type" "" { target *-*-* } 187 }
-// { dg-error "forming pointer to reference type" "" { target *-*-* } 213 }
-
 propagate_const<void*> test1;
+
+// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 0 }
+// { dg-prune-output "forming pointer to reference type" }
+// { dg-prune-output "not a pointer-to-object type" }
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
index 59d5f073ccc..88753bf2fea 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements3.cc
@@ -21,6 +21,6 @@
 
 using std::experimental::propagate_const;
 
-// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 107 }
-
 propagate_const<void (*)()> test1;
+
+// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 0 }
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
index a55999fd578..84770257e7c 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements4.cc
@@ -21,8 +21,8 @@
 
 using std::experimental::propagate_const;
 
-// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 107 }
-// { dg-error "invalid type" "" { target *-*-* } 66 }
-// { dg-error "uninitialized reference member" "" { target *-*-* } 112 }
-
 propagate_const<int&> test1; // { dg-error "use of deleted function" }
+
+// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 0 }
+// { dg-prune-output "invalid type" }
+// { dg-prune-output "uninitialized reference member" }
diff --git a/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc b/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
index 60b33734e57..85a7c7b531c 100644
--- a/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
+++ b/libstdc++-v3/testsuite/experimental/propagate_const/requirements5.cc
@@ -21,6 +21,6 @@
 
 using std::experimental::propagate_const;
 
-// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 107 }
-
 propagate_const<int[1]> test1;
+
+// { dg-error "requires a class or a pointer to an object type" "" { target *-*-* } 0 }