diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 1e59c537aeb..8e82a5fd776 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,9 @@
+2016-04-08  Marcel Böhme  <boehme.marcel@gmail.com>
+
+	PR c++/70498
+	* cplus-dem.c (gnu_special): Handle case where consume_count returns
+	-1.
+
 2016-03-31  Mikhail Maltsev  <maltsevm@gmail.com>
 	    Marcel Bohme  boehme.marcel@gmail.com
 
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c
index 7ab46ddac48..abba234f04c 100644
--- a/libiberty/cplus-dem.c
+++ b/libiberty/cplus-dem.c
@@ -3001,6 +3001,11 @@ gnu_special (struct work_stuff *work, const char **mangled, string *declp)
 		      success = 1;
 		      break;
 		    }
+		  else if (n == -1)
+		    {
+		      success = 0;
+		      break;
+		    }
 		}
 	      else
 		{