tree.h (DECL_BUILT_IN_NONANSI): Remove.

[gcc.git] / gcc / c-decl.c

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 3fc1808fe67d8a18a610cfe767d1b4b761cd47f7..be6ff79059d539fb799877205c5cfc82d389dcc7 100644 (file)
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -860,30 +860,16 @@ duplicate_decls (newdecl, olddecl, different_binding_level)
   if (TREE_CODE (olddecl) != TREE_CODE (newdecl))
     {
       if (TREE_CODE (olddecl) == FUNCTION_DECL
-         && (DECL_BUILT_IN (olddecl)
-             || DECL_BUILT_IN_NONANSI (olddecl)))
+         && DECL_BUILT_IN (olddecl))
        {
          /* If you declare a built-in or predefined function name as static,
             the old definition is overridden,
             but optionally warn this was a bad choice of name.  */
          if (!TREE_PUBLIC (newdecl))
            {
-             if (!warn_shadow)
-               ;
-             else if (DECL_BUILT_IN (olddecl))
+             if (warn_shadow)
                warning_with_decl (newdecl, "shadowing built-in function `%s'");
-             else
-               warning_with_decl (newdecl, "shadowing library function `%s'");
            }
-         /* Likewise, if the built-in is not ansi, then programs can
-            override it even globally without an error.  */
-         else if (! DECL_BUILT_IN (olddecl))
-           warning_with_decl (newdecl,
-                              "library function `%s' declared as non-function");
-
-         else if (DECL_BUILT_IN_NONANSI (olddecl))
-           warning_with_decl (newdecl,
-                              "built-in function `%s' declared as non-function");
          else
            warning_with_decl (newdecl,
                               "built-in function `%s' declared as non-function");