diff --git a/gcc/tree.h b/gcc/tree.h
index eac4dbe66df..3d020bba9a9 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -969,9 +969,13 @@ union tree_node
 #ifndef NO_DOLLAR_IN_LABEL
 #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_$I$%s"
 #else
+#ifdef NO_DOT_IN_LABEL
+#define CONSTRUCTOR_NAME_FORMAT "____GLOBAL__I_%s"
+#else
 #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_.I.%s"
 #endif
 #endif
+#endif
 
 /* The following functions accept a wide integer argument.  Rather than
    having to cast on every function call, we use a macro instead, that is