1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index a02ac39..5e7de01 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -7303,6 +7303,13 @@ build_function_decl_skip_args (tree orig_decl, bitmap args_to_skip)
      we expect first argument to be THIS pointer.   */
   if (bitmap_bit_p (args_to_skip, 0))
     DECL_VINDEX (new_decl) = NULL_TREE;
+
+  /* When signature changes, we need to clear builtin info.  */
+  if (DECL_BUILT_IN (new_decl) && !bitmap_empty_p (args_to_skip))
+    {
+      DECL_BUILT_IN_CLASS (new_decl) = NOT_BUILT_IN;
+      DECL_FUNCTION_CODE (new_decl) = (enum built_in_function) 0;
+    }
   return new_decl;
 }