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From: "gcc at abeckmann dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/56534] New: [4.7/4.8 Regression] ICE Segfault on invalid code in check_elaborated_type_specifier Date: Tue, 05 Mar 2013 13:19:00 -0000 [thread overview] Message-ID: <bug-56534-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56534 Bug #: 56534 Summary: [4.7/4.8 Regression] ICE Segfault on invalid code in check_elaborated_type_specifier Classification: Unclassified Product: gcc Version: 4.7.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: gcc@abeckmann.de The following line of invalid code causes an ICE Segfault, this is a regression from 4.6 behavior: ===== 8< ===== template < struct template rebind < > ===== >8 ===== $ g++-4.7.x -v -c ice-segfault.cpp Using built-in specs. COLLECT_GCC=/opt/software/x86_64/gcc-4.7.x/bin/g++-4.7.x Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4_7-branch/configure --prefix=/opt/software/x86_64/gcc-4.7.x --program-suffix=-4.7.x --enable-languages=c,c++,fortran --enable-checking Thread model: posix gcc version 4.7.3 20130304 (prerelease) (GCC) COLLECT_GCC_OPTIONS='-v' '-c' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /opt/software/x86_64/gcc-4.7.x/libexec/gcc/x86_64-unknown-linux-gnu/4.7.3/cc1plus -quiet -v -imultilib . -imultiarch x86_64-linux-gnu -D_GNU_SOURCE ice-segfault.cpp -quiet -dumpbase ice-segfault.cpp -mtune=generic -march=x86-64 -auxbase ice-segfault -version -o /tmp/ccr5sP7L.s GNU C++ (GCC) version 4.7.3 20130304 (prerelease) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.3 20130304 (prerelease), GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3 /opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3/x86_64-unknown-linux-gnu/. /opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/../../../../include/c++/4.7.3/backward /opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/include /usr/local/include /opt/software/x86_64/gcc-4.7.x/include /opt/software/x86_64/gcc-4.7.x/lib/gcc/x86_64-unknown-linux-gnu/4.7.3/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list. GNU C++ (GCC) version 4.7.3 20130304 (prerelease) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.3 20130304 (prerelease), GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 52ed9e0a10a946085ed136449fb02111 ice-segfault.cpp:1:37: internal compiler error: Segmentation fault Please submit a full bug report, $ g++-trunk -v -c ice-segfault.cpp Using built-in specs. COLLECT_GCC=/opt/software/x86_64/gcc-trunk/bin/g++-trunk Target: x86_64-unknown-linux-gnu Configured with: ../gcc-trunk/configure --prefix=/opt/software/x86_64/gcc-trunk --program-suffix=-trunk --enable-languages=c,c++,fortran --enable-checking Thread model: posix gcc version 4.8.0 20130302 (experimental) (GCC) COLLECT_GCC_OPTIONS='-v' '-c' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /opt/software/x86_64/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/cc1plus -quiet -v -imultilib . -imultiarch x86_64-linux-gnu -D_GNU_SOURCE ice-segfault.cpp -quiet -dumpbase ice-segfault.cpp -mtune=generic -march=x86-64 -auxbase ice-segfault -version -o /tmp/ccVB908D.s GNU C++ (GCC) version 4.8.0 20130302 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.0 20130302 (experimental), GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../../../include/c++/4.8.0 /opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../../../include/c++/4.8.0/x86_64-unknown-linux-gnu/. /opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../../../include/c++/4.8.0/backward /opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/include /usr/local/include /opt/software/x86_64/gcc-trunk/include /opt/software/x86_64/gcc-trunk/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list. GNU C++ (GCC) version 4.8.0 20130302 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.0 20130302 (experimental), GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: eedf9bce273f5c2d2f3e6a014c94ec56 ice-segfault.cpp:1:37: internal compiler error: Segmentation fault template < struct template rebind < > ^ 0xa7da8f crash_signal ../../gcc-trunk/gcc/toplev.c:332 0x5331de check_elaborated_type_specifier(tag_types, tree_node*, bool) ../../gcc-trunk/gcc/cp/decl.c:11731 0x61d1de cp_parser_elaborated_type_specifier ../../gcc-trunk/gcc/cp/parser.c:14256 0x5fad08 cp_parser_type_specifier ../../gcc-trunk/gcc/cp/parser.c:13601 0x6121ed cp_parser_decl_specifier_seq ../../gcc-trunk/gcc/cp/parser.c:10900 0x612887 cp_parser_parameter_declaration ../../gcc-trunk/gcc/cp/parser.c:17470 0x616d9e cp_parser_template_parameter ../../gcc-trunk/gcc/cp/parser.c:12254 0x616d9e cp_parser_template_parameter_list ../../gcc-trunk/gcc/cp/parser.c:12157 0x618de9 cp_parser_template_declaration_after_export ../../gcc-trunk/gcc/cp/parser.c:21769 0x6207f9 cp_parser_declaration ../../gcc-trunk/gcc/cp/parser.c:10309 0x61f3dd cp_parser_declaration_seq_opt ../../gcc-trunk/gcc/cp/parser.c:10231 0x620c82 cp_parser_translation_unit ../../gcc-trunk/gcc/cp/parser.c:3807 0x620c82 c_parse_file() ../../gcc-trunk/gcc/cp/parser.c:28182 0x728794 c_common_parse_file() ../../gcc-trunk/gcc/c-family/c-opts.c:1046 Please submit a full bug report, $ g++-4.6.x -c ice-segfault.cpp ice-segfault.cpp:1:37: error: expected identifier at end of input ice-segfault.cpp:1:37: error: expected ‘>’ at end of input ice-segfault.cpp:1:37: error: expected unqualified-id at end of input
next reply other threads:[~2013-03-05 13:19 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-03-05 13:19 gcc at abeckmann dot de [this message] 2013-03-05 13:31 ` [Bug c++/56534] " paolo.carlini at oracle dot com 2013-03-05 13:43 ` rguenth at gcc dot gnu.org 2013-03-05 16:37 ` paolo.carlini at oracle dot com 2013-03-06 8:40 ` jakub at gcc dot gnu.org 2013-03-06 10:13 ` paolo.carlini at oracle dot com 2013-03-06 23:41 ` paolo.carlini at oracle dot com 2013-03-06 23:48 ` paolo at gcc dot gnu.org 2013-03-07 0:38 ` [Bug c++/56534] [4.7 " paolo.carlini at oracle dot com 2013-03-09 10:32 ` paolo.carlini at oracle dot com 2013-03-09 11:49 ` paolo at gcc dot gnu.org 2013-03-09 11:50 ` paolo.carlini at oracle dot com
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