From: Jason Merrill <merrill@gnu.org>
Date: Sun, 7 May 1995 10:28:12 +0000 (+0000)
Subject: (expand_function_end): Don't warn about unused
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=497dc802f64d0554fb81dfd9f1699587762bc254;p=gcc.git

(expand_function_end): Don't warn about unused
        anonymous or artificial parms.

From-SVN: r9585
---

diff --git a/gcc/function.c b/gcc/function.c
index 83a69627662..77157400063 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5241,7 +5241,8 @@ expand_function_end (filename, line, end_bindings)
 
       for (decl = DECL_ARGUMENTS (current_function_decl);
 	   decl; decl = TREE_CHAIN (decl))
-	if (! TREE_USED (decl) && TREE_CODE (decl) == PARM_DECL)
+	if (! TREE_USED (decl) && TREE_CODE (decl) == PARM_DECL
+	    && DECL_NAME (decl) && ! DECL_ARTIFICIAL (decl))
 	  warning_with_decl (decl, "unused parameter `%s'");
     }