diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6bab1593e91..cc601c8e648 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 cc83623097f..56718641866 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;
 }