1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index 6aac8c36157..383f0a766bf 100644
--- a/gcc/c/c-decl.c
+++ b/gcc/c/c-decl.c
@@ -9028,6 +9028,10 @@ finish_function (void)
      function.  */
   maybe_warn_unused_local_typedefs ();
 
+  /* Possibly warn about unused parameters.  */
+  if (warn_unused_parameter)
+    do_warn_unused_parameter (fndecl);
+
   /* Store the end of the function, so that we get good line number
      info for the epilogue.  */
   cfun->function_end_locus = input_location;