re PR tree-optimization/45255 (internal compiler error: verify_stmts failed with -fwhopr)

2010-08-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45255
	* tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P
	statics and externals are also invariant.

From-SVN: r163565

gcc/ChangeLog

+2010-08-26  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/45255
+	* tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P
+	statics and externals are also invariant.
+
 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/44858

gcc/tree.c

@@ -2474,8 +2474,7 @@ decl_address_invariant_p (const_tree op)
       return true;
 
     case VAR_DECL:
-      if (((TREE_STATIC (op) || DECL_EXTERNAL (op))
-           && !DECL_DLLIMPORT_P (op))
+      if ((TREE_STATIC (op) || DECL_EXTERNAL (op))
           || DECL_THREAD_LOCAL_P (op)
           || DECL_CONTEXT (op) == current_function_decl
           || decl_function_context (op) == current_function_decl)