From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0C18C3985453; Fri, 15 May 2020 14:38:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0C18C3985453 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1589553515; bh=VQ8fDulQbnGyllrC8OFa/QeJ5v8BB28V6QCy7I0BsWA=; h=From:To:Subject:Date:From; b=j0fRXrEY1l8JBgQX1EYt7yq3uR4ZMwE1VePMSBjsyFbMmIz2wigNQgjPsdRBur5ul OdyzmkWrJdODl3iKAgglaWvWSbqeJ0AaEXokfMsXkMYHD/LQnjU4OqUvUJh6NbAhHy 9q2Bu5rmuuspp9QCnTLIbOM3l67Ky/kNf6HrPT0M= From: "schwab@linux-m68k.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/95154] New: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=c++14 (test for excess errors) Date: Fri, 15 May 2020 14:38:34 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: schwab@linux-m68k.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 target_milestone cf_gcctarget Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 May 2020 14:38:35 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95154 Bug ID: 95154 Summary: [11 regression] FAIL: g++.dg/abi/pure-virtual1.C -std=3Dc++14 (test for excess errors) Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: schwab@linux-m68k.org Target Milestone: --- Target: ia64-*-* spawn -ignore SIGHUP /usr/local/gcc/gcc-20200515/Build/gcc/testsuite/g++3/../../xg++ -B/usr/local/gcc/gcc-20200515/Build/gcc/testsuite/g++3/../../ /usr/local/gcc/gcc-20200515/gcc/testsuite/g++.dg/abi/pure-virtual1.C -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=3Dnever -fdiagnostics-urls=3Dnever -nostdinc++ -I/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/libstdc++-v3/include/ia= 64-suse-linux -I/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/libstdc++-v3/include -I/usr/local/gcc/gcc-20200515/libstdc++-v3/libsupc++ -I/usr/local/gcc/gcc-20200515/libstdc++-v3/include/backward -I/usr/local/gcc/gcc-20200515/libstdc++-v3/testsuite/util -fmessage-length= =3D0 -std=3Dc++14 -pedantic-errors -Wno-long-long -fno-rtti -nodefaultlibs -lc -L/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -B/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -L/usr/local/gcc/gcc-20200515/Build/ia64-suse-linux/./libstdc++-v3/src/.libs -lm -o pure-virtual1.exe /tmp/ccyWJZLT.o:(.data.rel.ro._ZTV1A[_ZTV1A]+0x10): undefined reference to `__cxa_pure_virtual' collect2: error: ld returned 1 exit status compiler exited with status 1 The reference comes from the vtable for A, the weak declaration for __cxa_pure_virtual is missing: .weak _ZTV1A# .section .data.rel.ro._ZTV1A,"awG",@progbits,_ZTV1A,comdat .align 8 .type _ZTV1A#, @object .size _ZTV1A#, 32 _ZTV1A: data8 0 data8 0 data16.ua @iplt(__cxa_pure_virtual#)=