diff --git a/libgcc/unwind-dw2-fde.h b/libgcc/unwind-dw2-fde.h
index 88e802811..558315ed1 100644
--- a/libgcc/unwind-dw2-fde.h
+++ b/libgcc/unwind-dw2-fde.h
@@ -168,6 +168,9 @@ extern const fde * _Unwind_Find_FDE (void *, struct dwarf_eh_bases *);
 static inline int
 last_fde (struct object *obj __attribute__ ((__unused__)), const fde *f)
 {
+  if (f->length >= 0xfffffff0) /* special DWARF extension */
+    return 1;
+
 #ifdef DWARF2_OBJECT_END_PTR_EXTENSION
   return f == (const fde *) obj->fde_end || f->length == 0;
 #else