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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/66452] [6 Regression] [UBSAN] *.Lubsan_data0' defined but not used
Date: Mon, 08 Jun 2015 08:45:00 -0000	[thread overview]
Message-ID: <bug-66452-4-ztCxa5iCGH@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-66452-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66452

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I'm testing

--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -534,6 +534,7 @@ check_global_declaration (tree decl)
         to handle multiple external decls in different scopes.  */
       && ! (DECL_NAME (decl) && TREE_USED (DECL_NAME (decl)))
       && ! DECL_EXTERNAL (decl)
+      && ! DECL_ARTIFICIAL (decl)
       && ! TREE_PUBLIC (decl)
       /* A volatile variable might be used in some non-obvious way.  */
       && ! TREE_THIS_VOLATILE (decl)

(Maybe we should also test !TREE_NO_WARNING but the above is enough to fix
this.)


  parent reply	other threads:[~2015-06-08  8:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-07 20:13 [Bug sanitizer/66452] New: " dimhen at gmail dot com
2015-06-08  8:18 ` [Bug sanitizer/66452] " mpolacek at gcc dot gnu.org
2015-06-08  8:34 ` mpolacek at gcc dot gnu.org
2015-06-08  8:36 ` dimhen at gmail dot com
2015-06-08  8:45 ` mpolacek at gcc dot gnu.org [this message]
2015-06-08 10:36 ` mpolacek at gcc dot gnu.org
2015-06-08 10:36 ` mpolacek at gcc dot gnu.org

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