From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18881 invoked by alias); 30 Mar 2005 19:56:54 -0000 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 Received: (qmail 18632 invoked by alias); 30 Mar 2005 19:56:47 -0000 Date: Wed, 30 Mar 2005 19:56:00 -0000 Message-ID: <20050330195647.18631.qmail@sourceware.org> From: "cvs-commit at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041009192304.17913.jsm28@gcc.gnu.org> References: <20041009192304.17913.jsm28@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug c/17913] [4.0/4.1 Regression] ICE jumping into statement expression X-Bugzilla-Reason: CC X-SW-Source: 2005-03/txt/msg03485.txt.bz2 List-Id: ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-30 19:56 ------- Subject: Bug 17913 CVSROOT: /cvs/gcc Module name: gcc Changes by: jsm28@gcc.gnu.org 2005-03-30 19:56:40 Modified files: gcc : ChangeLog c-decl.c c-tree.h c-typeck.c gcc/doc : extend.texi gcc/objc : ChangeLog objc-act.c gcc/testsuite : ChangeLog Added files: gcc/testsuite/gcc.dg: stmt-expr-label-1.c stmt-expr-label-2.c stmt-expr-label-3.c Removed files: gcc/testsuite/gcc.c-torture/execute: medce-2.c Log message: PR c/772 PR c/17913 * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR, C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct c_label_context, label_context_stack): New. * c-decl.c (define_label): Check for jumps into statement expressions. Add label to list of defined labels. (start_function): Push context on label_context_stack. (finish_function): Pop context from label_context_stack. * c-typeck.c (label_context_stack): New. (c_finish_goto_label): Check for jumps into statement expressions. Add label to list of jumped to labels. (struct c_switch): Add blocked_stmt_expr. (c_start_case): Initialize it. (do_case): Check it. (c_finish_case): Verify !blocked_stmt_expr. (c_begin_stmt_expr): Push context on label_context_stack. Increment blocked_stmt_expr. Mark labels jumped to from outside as undefinable. (c_finish_stmt_expr): December blocked_stmt_expr. Mark labels defined in the statement expression and no longer jumpable to. Mark labels jumped to from just outside the statement expression as again definable. Pop context from label_context_stack. * doc/extend.texi (Statement Exprs): Update. objc: * objc-act.c (objc_start_function): Push context on label_context_stack. testsuite: * gcc.dg/stmt-expr-label-1.c, gcc.dg/stmt-expr-label-2.c, gcc.dg/stmt-expr-label-3.c : New tests. * gcc.c-torture/execute/medce-2.c: Remove. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8036&r2=2.8037 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-decl.c.diff?cvsroot=gcc&r1=1.642&r2=1.643 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-tree.h.diff?cvsroot=gcc&r1=1.198&r2=1.199 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-typeck.c.diff?cvsroot=gcc&r1=1.428&r2=1.429 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/extend.texi.diff?cvsroot=gcc&r1=1.246&r2=1.247 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/ChangeLog.diff?cvsroot=gcc&r1=1.31&r2=1.32 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/objc-act.c.diff?cvsroot=gcc&r1=1.267&r2=1.268 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5237&r2=1.5238 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/medce-2.c.diff?cvsroot=gcc&r1=1.1&r2=NONE http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/stmt-expr-label-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/stmt-expr-label-2.c.diff?cvsroot=gcc&r1=NONE&r2=1.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/stmt-expr-label-3.c.diff?cvsroot=gcc&r1=NONE&r2=1.1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17913