1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/java/lang.c b/gcc/java/lang.c
index d11cee1..d6c808a 100644
--- a/gcc/java/lang.c
+++ b/gcc/java/lang.c
@@ -246,6 +246,9 @@ lang_decode_option (argc, argv)
     {
       flag_wall = 1;
       flag_redundant = 1;
+      /* When -Wall given, enable -Wunused.  We do this because the C
+	 compiler does it, and people expect it.  */
+      warn_unused = 1;
       return 1;
     }