From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18751 invoked by alias); 8 Dec 2010 16:38:50 -0000 Received: (qmail 18743 invoked by uid 22791); 8 Dec 2010 16:38:49 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,SARE_HEAD_8BIT_SPAM,SARE_SUB_ENC_UTF8x2 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; Wed, 08 Dec 2010 16:38:44 +0000 From: "gcc at abeckmann dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/46852] New: ICE: tree check:=?UTF-8?Q?=20expected=20class=20=E2=80=98type=E2=80=99?=,=?UTF-8?Q?=20have=20=E2=80=98exceptional=E2=80=99=20?=(error_mark) in cp_parser_class_specifier, at cp/parser.c:16947 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gcc at abeckmann dot de X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Date: Wed, 08 Dec 2010 16:38:00 -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 X-SW-Source: 2010-12/txt/msg00879.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D46852 Summary: ICE: tree check: expected class =E2=80=98type=E2=80=99,= have =E2=80=98exceptional=E2=80=99 (error_mark) in cp_parser_class_specifier, at cp/parser.c:16947 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: gcc@abeckmann.de The following code fragment gives an ICE in trunk: =3D=3D=3D=3D=3D 8< =3D=3D=3D=3D=3D template < class { =3D=3D=3D=3D=3D >8 =3D=3D=3D=3D=3D $ g++-trunk -c -v ice-cp_parser_class_specifier.min.ii Using built-in specs. COLLECT_GCC=3D/opt/software/x86_64/gcc-trunk/bin/g++-trunk COLLECT_LTO_WRAPPER=3D/opt/software/x86_64/gcc-trunk/libexec/gcc/x86_64-unk= nown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-trunk/configure --prefix=3D/opt/software/x86_64/gcc= -trunk --program-suffix=3D-trunk --enable-languages=3Dc,c++ --enable-checking Thread model: posix gcc version 4.6.0 20101207 (experimental) (GCC) COLLECT_GCC_OPTIONS=3D'-c' '-v' '-shared-libgcc' '-mtune=3Dgeneric' '-march= =3Dx86-64' /opt/software/x86_64/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/c= c1plus -fpreprocessed ice-cp_parser_class_specifier.min.ii -quiet -dumpbase ice-cp_parser_class_specifier.min.ii -mtune=3Dgeneric -march=3Dx86-64 -auxb= ase ice-cp_parser_class_specifier.min -version -o /tmp/ccKrOsa0.s GNU C++ (GCC) version 4.6.0 20101207 (experimental) (x86_64-unknown-linux-g= nu) compiled by GNU C version 4.6.0 20101207 (experimental), GMP version 4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=3D30 --param ggc-min-heapsize=3D4096 GNU C++ (GCC) version 4.6.0 20101207 (experimental) (x86_64-unknown-linux-g= nu) compiled by GNU C version 4.6.0 20101207 (experimental), GMP version 4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=3D30 --param ggc-min-heapsize=3D4096 Compiler executable checksum: 58dd45b357216c1e9d23aab2b8f87581 ice-cp_parser_class_specifier.min.ii:4:1: error: types may not be defined in parameter types ice-cp_parser_class_specifier.min.ii:4:1: error: definition of =E2=80=98class=E2=80=99 inside template parameter list ice-cp_parser_class_specifier.min.ii:4:1: error: expected =E2=80=98}=E2=80= =99 at end of input ice-cp_parser_class_specifier.min.ii:4:1: internal compiler error: tree che= ck: expected class =E2=80=98type=E2=80=99, have =E2=80=98exceptional=E2=80=99 (= error_mark) in cp_parser_class_specifier, at cp/parser.c:16947 Please submit a full bug report, This is a regression from 4.5.x which properly gives these errors: $ g++-4.5.x -c ice-cp_parser_class_specifier.min.ii ice-cp_parser_class_specifier.min.ii:4:1: error: types may not be defined in parameter types ice-cp_parser_class_specifier.min.ii:4:1: error: definition of =E2=80=98class=E2=80=99 inside template parameter list ice-cp_parser_class_specifier.min.ii:4:1: error: expected =E2=80=98}=E2=80= =99 at end of input ice-cp_parser_class_specifier.min.ii:4:1: error: expected =E2=80=98>=E2=80= =99 at end of input ice-cp_parser_class_specifier.min.ii:4:1: error: expected unqualified-id at= end of input Andreas