From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6487 invoked by alias); 19 Jan 2012 18:18:30 -0000 Received: (qmail 6475 invoked by uid 22791); 19 Jan 2012 18:18:27 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 19 Jan 2012 18:18:12 +0000 From: "markus at trippelsdorf dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/51832] [4.7 regression] Rev.182970 causes LTO link errors (multiple definitions of allocator_traits) Date: Thu, 19 Jan 2012 18:58:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: markus at trippelsdorf dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-01/txt/msg02195.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51832 --- Comment #17 from Markus Trippelsdorf 2012-01-19 18:18:03 UTC --- I ran git bisected on ld.bfd. Since this commit my testcase fails: 4b96312bb623ba76b035ac3b3c5afe583bebca76 is the first bad commit commit 4b96312bb623ba76b035ac3b3c5afe583bebca76 Author: Alan Modra Date: Sun Apr 17 23:15:11 2011 +0000 PR ld/12365 PR ld/12672 bfd/ * bfd.c (BFD_PLUGIN): Define. (BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN. * bfd-in2.h: Regenerate. * elflink.c (elf_link_output_extsym): Strip undefined plugin syms. * opncls.c (bfd_make_readable): Don't lose original bfd flags. ld/ * ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action when no_more_claiming. * ldmain.c (add_archive_element): Likewise. (multiple_definition): Remove plugin_multiple_definition call. (notice): Remove plugin_notice call. * ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move. Delete prototype. (plugin_insert): New static var. (open_input_bfds): Only rescan libs after plugin insert point. (lang_gc_sections): Omit plugin claimed files. (lang_process): Set plugin_insert. Only rescan when plugin adds objects. * plugin.h (no_more_claiming): Declare. (plugin_notice, plugin_multiple_definition): Don't declare. * plugin.c: Formatting. (orig_notice_all, orig_allow_multiple_defs, orig_callbacks, plugin_callbacks): New static vars. (no_more_claiming): Make global. (plugin_cached_allow_multiple_defs): Delete. (plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section, use newer bfd_make_section variant. Make COMMON section too. Error handling. Correct setting of gp size. (asymbol_from_plugin_symbol): Properly cast last arg of concat. (message): Likewise for ACONCAT. (asymbol_from_plugin_symbol): Use our COMMON section. (get_symbols): When report_plugin_symbols, show visibility too. (init_non_ironly_hash): Move. Don't test non_ironly_hash. (plugin_load_plugins): Save state of linker callbacks, set up to call plugin_notice instead. Call init_non_ironly_hash here. (plugin_call_all_symbols_read): Set plugin_multiple_definition in plugin callbacks. (plugin_notice): Rewrite. (plugin_multiple_definition): Make static, call original callback. ld/testsuite/ * ld-plugin/plugin-7.d: Adjust for plugin changes. * ld-plugin/plugin-8.d: Likewise. * ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and compare ld output to.. * ld-plugin/plugin-12.d: New