From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32502 invoked by alias); 15 Aug 2013 19:38:01 -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 32474 invoked by uid 48); 15 Aug 2013 19:37:59 -0000 From: "cassio.neri at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/58170] New: Crash when aliasing a template class that is a member of its template base class. Date: Thu, 15 Aug 2013 19:38:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 4.8.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cassio.neri at gmail dot com 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 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-SW-Source: 2013-08/txt/msg00823.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D58170 Bug ID: 58170 Summary: Crash when aliasing a template class that is a member of its template base class. Product: gcc Version: 4.8.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: cassio.neri at gmail dot com The code below crashes gcc 4.8.1 (coincidentaly, it also crashes clang 3.3). --------------------------------------------------------------------- template struct base { template struct derived; }; template template struct base::derived : public base { }; // This (wrong?) alias declaration provoques the crash. template using derived =3D base::derived; // This one works: // template // using derived =3D typename base::template derived; template void f() { derived m{}; (void) m; } int main() { f(); } --------------------------------------------------------------------- $ g++ -v -save-temps -std=3Dc++11 -Wall -pedantic main.cpp=20 Using built-in specs. COLLECT_GCC=3Dg++ COLLECT_LTO_WRAPPER=3D/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/lto-wrapp= er Target: x86_64-unknown-linux-gnu Configured with: /build/gcc/src/gcc-4.8-20130725/configure --prefix=3D/usr --libdir=3D/usr/lib --libexecdir=3D/usr/lib --mandir=3D/usr/share/man --infodir=3D/usr/share/info --with-bugurl=3Dhttps://bugs.archlinux.org/ --enable-languages=3Dc,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=3Dposix --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=3Dgnu --disable-libstdcxx-p= ch --enable-gnu-unique-object --enable-linker-build-id --enable-cloog-backend= =3Disl --disable-cloog-version-check --enable-lto --enable-gold --enable-ld=3Ddefa= ult --enable-plugin --with-plugin-ld=3Dld.gold --with-linker-hash-style=3Dgnu --disable-install-libiberty --disable-multilib --disable-libssp --disable-werror --enable-checking=3Drelease Thread model: posix gcc version 4.8.1 20130725 (prerelease) (GCC)=20 COLLECT_GCC_OPTIONS=3D'-v' '-save-temps' '-std=3Dc++11' '-Wall' '-Wpedantic' '-shared-libgcc' '-mtune=3Dgeneric' '-march=3Dx86-64' /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/cc1plus -E -quiet -v -D_GNU_SO= URCE main.cpp -mtune=3Dgeneric -march=3Dx86-64 -std=3Dc++11 -Wall -Wpedantic -fpch-preprocess -o main.ii ignoring nonexistent directory "/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-lin= ux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1 /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1/x= 86_64-unknown-linux-gnu /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1/b= ackward /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/include /usr/local/include /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/include-fixed /usr/include End of search list. COLLECT_GCC_OPTIONS=3D'-v' '-save-temps' '-std=3Dc++11' '-Wall' '-Wpedantic' '-shared-libgcc' '-mtune=3Dgeneric' '-march=3Dx86-64' /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/cc1plus -fpreprocessed main.ii -quiet -dumpbase main.cpp -mtune=3Dgeneric -march=3Dx86-64 -auxbase main -W= all -Wpedantic -std=3Dc++11 -version -o main.s GNU C++ (GCC) version 4.8.1 20130725 (prerelease) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.1 20130725 (prerelease), GMP version 5.1.2, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 GNU C++ (GCC) version 4.8.1 20130725 (prerelease) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.1 20130725 (prerelease), GMP version 5.1.2, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 Compiler executable checksum: fcec9480bd3d120c7e8d40d79394317d main.cpp: In substitution of =E2=80=98template u= sing derived =3D base::derived [with T =3D T; U =3D bool; V =3D char]=E2=80=99: main.cpp:24:24: required from here main.cpp:16:39: internal compiler error: Segmentation fault using derived =3D base::derived; ^ Please submit a full bug report, with preprocessed source if appropriate. See for instructions. >>From gcc-bugs-return-427900-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Aug 15 23:31:52 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 5783 invoked by alias); 15 Aug 2013 23:31:52 -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 Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 5736 invoked by uid 48); 15 Aug 2013 23:31:50 -0000 From: "kargl at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/58113] [4.9 Regression] gfortran.dg/round_4.f90 FAILs Date: Thu, 15 Aug 2013 23:31:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kargl at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: 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: 2013-08/txt/msg00824.txt.bz2 Content-length: 959 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58113 kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org --- Comment #2 from kargl at gcc dot gnu.org --- round_4.f90 fails on x86_64-unknown-freebsd10.0. Reduce testcase program main use iso_fortran_env implicit none real(4) :: r4p, r4m, ref4u, ref4d character(len=20) :: str, round ref4u = 0.100000001_4 ref4d = nearest (ref4u, -1.0_4) round = 'up' call t() print '(4Z10)', r4p, ref4u, r4m, -ref4d contains subroutine t() str = "0.1 0.1 0.1 0.1" read(str, *,round=round) r4p, r8p, r10p, r16p str = "-0.1 -0.1 -0.1 -0.1" read(str, *,round=round) r4m, r8m, r10m, r16m end subroutine t end program main % gfc4x -o z round_4.f90 && ./z 3DCCCCCD 3DCCCCCD BDCCCCCD BDCCCCCC