Index: gnu-v3-abi.c
===================================================================
RCS file: /cvs/src/src/gdb/gnu-v3-abi.c,v
retrieving revision 1.6
diff -u -r1.6 gnu-v3-abi.c
--- gnu-v3-abi.c	2002/01/04 18:20:19	1.6
+++ gnu-v3-abi.c	2002/01/19 20:33:49
@@ -239,7 +239,8 @@
      type_info object itself to get the class name.  But this way
      should work just as well, and doesn't read target memory.  */
   vtable_symbol_name = SYMBOL_DEMANGLED_NAME (vtable_symbol);
-  if (strncmp (vtable_symbol_name, "vtable for ", 11))
+  if (vtable_symbol_name == NULL
+      || strncmp (vtable_symbol_name, "vtable for ", 11))
     error ("can't find linker symbol for virtual table for `%s' value",
            TYPE_NAME (value_type));
   class_name = vtable_symbol_name + 11;