method.c (use_thunk): Make sure that thunks really are emitted when requested.

	* method.c (use_thunk): Make sure that thunks really are emitted
	when requested.

From-SVN: r41621

gcc/cp/ChangeLog

+2001-04-26  Mark Mitchell  <mark@codesourcery.com>
+
+	* method.c (use_thunk): Make sure that thunks really are emitted
+	when requested.
+
 2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
 
 	* mangle.c (write_chars): New macro.

gcc/cp/method.c

@@ -377,7 +377,8 @@ make_thunk (function, delta, vcall_index, generate_with_vtable_p)
   return thunk;
 }
 
-/* Emit the definition of a C++ multiple inheritance vtable thunk.  */
+/* Emit the definition of a C++ multiple inheritance vtable thunk.  If
+   EMIT_P is non-zero, the thunk is emitted immediately.  */
 
 void
 use_thunk (thunk_fndecl, emit_p)
@@ -519,6 +520,11 @@ use_thunk (thunk_fndecl, emit_p)
     DECL_INITIAL (thunk_fndecl) = make_node (BLOCK);
     BLOCK_VARS (DECL_INITIAL (thunk_fndecl)) 
       = DECL_ARGUMENTS (thunk_fndecl);
+
+    /* Since we want to emit the thunk, we explicitly mark its name as
+       referenced.  */
+    TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (thunk_fndecl)) = 1;
+
     expand_body (finish_function (0));
   }