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

From-SVN: r1285

(builtin_function): Set C_DECL_ANTICIPATED for user-visible names.
From-SVN: r1285
6b19af32 · Richard Stallman · 4cca064d · 6b19af32
Commit 6b19af32 authored Jun 25, 1992 by Richard Stallman
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gcc/c-decl.c
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--- 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;
 }