From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10401 invoked by alias); 22 May 2014 09:18:50 -0000 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 Received: (qmail 10228 invoked by uid 48); 22 May 2014 09:18:44 -0000 From: "ro at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute Date: Thu, 22 May 2014 09:18:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 4.10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ro at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc cf_gcchost cf_gcctarget cf_gccbuild Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-05/txt/msg02012.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283 Bug ID: 61283 Summary: [4.10 regression] SEGV in pass_ipa_comdats::execute Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org CC: hubicka at gcc dot gnu.org Host: i386-pc-solaris2.11 Target: i386-pc-solaris2.11 Build: i386-pc-solaris2.11 As of r210682, there are a couple of testsuite regressions on Solaris 11/x86 with gas and ld, both 32 and 64-bit: FAIL: g++.dg/torture/pr46367.C -O1 (internal compiler error) FAIL: g++.dg/torture/pr46367.C -O1 (test for excess errors) FAIL: g++.dg/torture/pr46367.C -Os (internal compiler error) FAIL: g++.dg/torture/pr46367.C -Os (test for excess errors) $ cc1plus -fpreprocessed pr46367.ii -quiet -O1 -o pr46367.s /vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/torture/pr46367.C:11:4: internal compiler error: Segmentation Fault S s; ^ 0x88b844c crash_signal /vol/gcc/src/hg/trunk/local/gcc/toplev.c:337 0x8de329a ipa_comdats /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320 0x8de329a execute /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:371 Under gdb, I find Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1 (LWP 1)] ipa_comdats () at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320 320 tree group = *map.contains (symbol); (gdb) where #0 ipa_comdats () at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320 #1 (anonymous namespace)::pass_ipa_comdats::execute (this=0x95a8500) at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:371 #2 0x088007d8 in execute_one_pass (pass=0x95a8500) at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2180 #3 0x08801251 in execute_ipa_pass_list (pass=0x95a8500) at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2571 #4 0x0857a19f in ipa_passes () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2093 #5 compile () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2183 #6 0x0857ab9b in finalize_compilation_unit () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2338 #7 0x08370eeb in cp_write_global_declarations () at /vol/gcc/src/hg/trunk/local/gcc/cp/decl2.c:4625 #8 0x088b8505 in compile_file () at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:562 #9 0x088ba56b in do_compile () at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:1915 #10 toplev_main (argc=7, argv=0xfeffe4cc) at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:1991 #11 0x090750ab in main (argc=7, argv=0xfeffe4cc) at /vol/gcc/src/hg/trunk/local/gcc/main.c:36 Rainer