From: Richard Stallman <rms@gnu.org>
Date: Thu, 25 Jun 1992 10:53:19 +0000 (+0000)
Subject: (builtin_function): Set C_DECL_ANTICIPATED for user-visible names.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6b19af32d6217c742bc1d32c600532505736a025;p=gcc.git

(builtin_function): Set C_DECL_ANTICIPATED for user-visible names.

From-SVN: r1285
---

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 2c5687ca76b..77c890c2f7e 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -2672,6 +2672,10 @@ builtin_function (name, type, function_code, library_name)
       DECL_BUILT_IN (decl) = 1;
       DECL_SET_FUNCTION_CODE (decl, function_code);
     }
+  /* Warn if a function in the namespace for users
+     is used without an occasion to consider it declared.  */
+  if (name[0] != '_' || name[1] != '_')
+    C_DECL_ANTICIPATED (decl) = 1;
 
   return decl;
 }