libstdc++: Fix pretty printers script and tests

	* python/libstdcxx/v6/printers.py (lookup_node_type): Remove redundant
	call to lookup_node_type.
	* testsuite/libstdc++-prettyprinters/80276.cc: Define
	_GLIBCXX_USE_CXX11_ABI to 0.
	* testsuite/libstdc++-prettyprinters/91997.cc: Use regexp-test to check
	'a' content.

From-SVN: r279640

libstdc++-v3/ChangeLog

+2019-12-20  François Dumont  <fdumont@gcc.gnu.org>
+
+	* python/libstdcxx/v6/printers.py (lookup_node_type): Remove redundant
+	call to lookup_node_type.
+	* testsuite/libstdc++-prettyprinters/80276.cc: Define
+	_GLIBCXX_USE_CXX11_ABI to 0.
+	* testsuite/libstdc++-prettyprinters/91997.cc: Use regexp-test to check
+	'a' content.
+
 2019-12-20  Jerome Lambourg  <lambourg@adacore.com>
 
 	* acinclude.m4 (_GLIBCXX_USE_PTHREAD_RWLOCK_T): Checks that _PTHREADS

libstdc++-v3/python/libstdcxx/v6/printers.py

@@ -146,7 +146,6 @@ def lookup_node_type(nodename, containertype):
             if is_member_of_namespace(containertype, 'std::__cxx1998',
                                       'std::__debug', '__gnu_debug'):
                 nodename = nodename.replace('::', '::__cxx1998::', 1)
-                return lookup_templ_spec(nodename, valtype)
                 try:
                     return lookup_templ_spec(nodename, valtype)
                 except gdb.error:

libstdc++-v3/testsuite/libstdc++-prettyprinters/80276.cc

@@ -18,6 +18,9 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
+// Type printers only recognize the old std::string for now.
+#define _GLIBCXX_USE_CXX11_ABI 0
+
 #include <iostream>
 #include <list>
 #include <memory>

libstdc++-v3/testsuite/libstdc++-prettyprinters/91997.cc

@@ -41,7 +41,7 @@ int main()
   // { dg-final { note-test mit {{first = 1, second = 2}} } }
 
   std::any a = m;
-  // { dg-final { note-test a {std::any containing std::map with 1 element = {[1] = 2}} } }
+  // { dg-final { regexp-test a {std::any containing std::(__debug::)?map with 1 element = {\[1\] = 2}} } }
 
   std::set<int> s{1, 2};
   auto sit = s.begin();