From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26885 invoked by alias); 23 Mar 2006 18:24:28 -0000 Received: (qmail 26829 invoked by uid 48); 23 Mar 2006 18:24:24 -0000 Date: Thu, 23 Mar 2006 18:24:00 -0000 Message-ID: <20060323182424.26828.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/25737] [4.1/4.2 Regression] ACATS tests c974001 and c974013 do not terminate with struct aliasing In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ebotcazou at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-03/txt/msg02377.txt.bz2 List-Id: ------- Comment #15 from ebotcazou at gcc dot gnu dot org 2006-03-23 18:24 ------- > The tree aliasing machinery appears to totally overlook the flag > > /* Used in a FIELD_DECL to indicate that we cannot form the address of > this component. */ > #define DECL_NONADDRESSABLE_P(NODE) \ > (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_3) Another one. :-) /* For an ARRAY_TYPE, indicates that it is not permitted to take the address of a component of the type. */ #define TYPE_NONALIASED_COMPONENT(NODE) \ (ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25737