Extend the map test for gcc (see #55)

Calling create_decl_string on the _M_clone_node calldef is failing with gcc > 4.9 and -std=c++11

This test should is currently failing, it is only there to have a way to demonstrate the error and to fix it.

Author: iMichka

unittests/test_map_gcc5.py

@@ -21,15 +21,26 @@ def test_map_gcc5(self):
         """
         The code in test_map_gcc5.hpp was breaking pygccxml.
 
-        Test that case (gcc5 + castxml + c++11). See issue #45
+        Test that case (gcc5 + castxml + c++11).
+
+        See issue #45 and #55
 
         """
 
         if self.config.xml_generator == "gccxml":
             return
 
         decls = parser.parse([self.header], self.config)
-        self.global_ns = declarations.get_global_namespace(decls)
+        global_ns = declarations.get_global_namespace(decls)
+
+        # This calldef is defined with gcc > 4.9 (maybe earlier, not tested)
+        # and -std=c++11. Calling create_decl_string is failing with gcc.
+        # With clang the calldef does not exist so the matche
+        # will just return an empty list, letting the test pass.
+        criteria = declarations.calldef_matcher(name="_M_clone_node")
+        free_funcs = declarations.matcher.find(criteria, global_ns)
+        for free_funcs in free_funcs:
+            print(free_funcs.create_decl_string(with_defaults=False))
 
 
 def create_suite():