From: Alan Modra <amodra@bigpond.net.au>
Date: Tue, 20 Feb 2007 01:25:41 +0000 (+0000)
Subject: re PR middle-end/29943 (gcc generate incorrect alias symbols for PPC)
X-Git-Tag: releases/gcc-4.3.0~6705
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=10daf6770623cc576f4b307abb3cceb5cf0de3e7;p=thirdparty%2Fgcc.git

re PR middle-end/29943 (gcc generate incorrect alias symbols for PPC)

	PR target/29943
	* varasm.c (use_blocks_for_decl_p): Return false for decls with
	alias attribute.

From-SVN: r122148
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6bab1593e912..cc601c8e6484 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-02-20  Alan Modra  <amodra@bigpond.net.au>
+
+	PR target/29943
+	* varasm.c (use_blocks_for_decl_p): Return false for decls with
+	alias attribute.
+
 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
 
 	* doc/invoke.texi (-ftree-lrs): Remove.
diff --git a/gcc/varasm.c b/gcc/varasm.c
index cc83623097f6..567186418664 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -1218,6 +1218,10 @@ use_blocks_for_decl_p (tree decl)
   if (DECL_INITIAL (decl) == decl)
     return false;
 
+  /* If this decl is an alias, then we don't want to emit a definition.  */
+  if (lookup_attribute ("alias", DECL_ATTRIBUTES (decl)))
+    return false;
+
   return true;
 }