cplus-dmem.c (internal_cplus_demangle): Free any resources allocated by possible…

cplus-dmem.c (internal_cplus_demangle): Free any resources allocated by possible previous call to gnu_special.

libiberty/
2014-05-14  Andrew Burgess  <aburgess@broadcom.com>

	* cplus-dmem.c (internal_cplus_demangle): Free any resources
	allocated by possible previous call to gnu_special.
	(squangle_mop_up): Reset pointers to NULL after calling free.
	* testsuite/demangle-expected: New test case.

From-SVN: r210425

libiberty/ChangeLog

+2014-05-14  Andrew Burgess  <aburgess@broadcom.com>
+
+	* cplus-dmem.c (internal_cplus_demangle): Free any resources
+	allocated by possible previous call to gnu_special.
+	(squangle_mop_up): Reset pointers to NULL after calling free.
+	* testsuite/demangle-expected: New test case.
+
 2014-05-08  Gary Benson  <gbenson@redhat.com>
 
 	* cp-demangle.c (struct d_component_stack): New structure.

libiberty/cplus-dem.c

@@ -1175,6 +1175,11 @@ internal_cplus_demangle (struct work_stuff *work, const char *mangled)
       if ((AUTO_DEMANGLING || GNU_DEMANGLING))
 	{
 	  success = gnu_special (work, &mangled, &decl);
+	  if (!success)
+	    {
+	      delete_work_stuff (work);
+	      string_delete (&decl);
+	    }
 	}
       if (!success)
 	{
@@ -1218,10 +1223,12 @@ squangle_mop_up (struct work_stuff *work)
   if (work -> btypevec != NULL)
     {
       free ((char *) work -> btypevec);
+      work->btypevec = NULL;
     }
   if (work -> ktypevec != NULL)
     {
       free ((char *) work -> ktypevec);
+      work->ktypevec = NULL;
     }
 }
 

libiberty/testsuite/demangle-expected

@@ -4343,3 +4343,7 @@ cereal::detail::InputBindingMap<cereal::JSONInputArchive>::Serializers cereal::p
 --format=gnu-v3
 _ZNSt9_Any_data9_M_accessIPZ4postISt8functionIFvvEEEvOT_EUlvE_EERS5_v
 void post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*& std::_Any_data::_M_access<void post<std::function<void ()> >(void post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*&&)::{lambda()#1}*>()
+# https://sourceware.org/bugzilla/show_bug.cgi?id=16817
+--format=auto --no-params
+_QueueNotification_QueueController__$4PPPPPPPM_A_INotice___Z
+_QueueNotification_QueueController__$4PPPPPPPM_A_INotice___Z