Index: gcc/cp/rtti.c
===================================================================
--- gcc/cp/rtti.c	(revision 209789)
+++ gcc/cp/rtti.c	(working copy)
@@ -1059,25 +1059,33 @@ typeinfo_in_lib_p (tree type)
      library for simple types T.  */
   if (TYPE_PTR_P (type)
       && (cp_type_quals (TREE_TYPE (type)) == TYPE_QUAL_CONST
 	  || cp_type_quals (TREE_TYPE (type)) == TYPE_UNQUALIFIED))
     type = TREE_TYPE (type);
 
   switch (TREE_CODE (type))
     {
     case INTEGER_TYPE:
     case BOOLEAN_TYPE:
-    case REAL_TYPE:
     case VOID_TYPE:
     case NULLPTR_TYPE:
       return true;
 
+    case REAL_TYPE:
+      type = TYPE_CANONICAL (type);
+      return type == float_type_node
+	     || type == double_type_node
+	     || type == long_double_type_node
+	     || type == dfloat32_type_node
+	     || type == dfloat64_type_node
+	     || type == dfloat128_type_node;
+
     case LANG_TYPE:
       /* fall through.  */
 
     default:
       return false;
     }
 }
 
 /* Generate the initializer for the type info describing TYPE.  TK_INDEX is
    the index of the descriptor in the tinfo_desc vector. */