| Summary: | [3.4/4.0 Regression] ICE on syntax error, template header. | ||
|---|---|---|---|
| Product: | gcc | Reporter: | duz |
| Component: | c++ | Assignee: | Mark Mitchell <mark> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | gcc-bugs, giles, switch |
| Priority: | P2 | Keywords: | ice-on-invalid-code |
| Version: | 3.4.0 | ||
| Target Milestone: | 3.4.1 | ||
| Host: | Target: | ||
| Build: | Known to work: | 3.3.3 | |
| Known to fail: | 3.4.0 4.0.0 | Last reconfirmed: | 2004-04-21 14:02:15 |
Confirmed.
Here is the backtrace for the mainline:
1891 if (TYPE_P (type))
(gdb) bt
#0 cp_parser_check_for_invalid_template_id (parser=0x40129880, type=0x0) at /home/gates/
pinskia/src/gnu/gcc/src/gcc/cp/parser.c:1891
#1 0x080ea524 in cp_parser_type_specifier (parser=0x40129880, flags=Variable "flags" is not
available.
) at /home/gates/pinskia/src/gnu/gcc/src/gcc/cp/parser.c:12099
#2 0x080eb4ce in cp_parser_decl_specifier_seq (parser=0x40129880,
flags=CP_PARSER_FLAGS_OPTIONAL, attributes=0xbffebbb4,
declares_class_or_enum=0xbffebbb8) at /home/gates/pinskia/src/gnu/gcc/src/gcc/cp/parser.c:
6796
#3 0x080f2b5c in cp_parser_explicit_instantiation (parser=0x40129880) at /home/gates/pinskia/src/
gnu/gcc/src/gcc/cp/parser.c:8586
#4 0x080f2e47 in cp_parser_declaration (parser=0x40129880) at /home/gates/pinskia/src/gnu/gcc/
src/gcc/cp/parser.c:6385
#5 0x080f3020 in cp_parser_declaration_seq_opt (parser=0x40127cc8) at /home/gates/pinskia/src/
gnu/gcc/src/gcc/cp/parser.c:6300
#6 0x080f320e in c_parse_file () at /home/gates/pinskia/src/gnu/gcc/src/gcc/cp/parser.c:2393
#7 0x0818194b in c_common_parse_file (set_yydebug=0) at /home/gates/pinskia/src/gnu/gcc/src/
gcc/c-opts.c:1238
#8 0x083bf491 in toplev_main (argc=1074953416, argv=0x84be8a0) at /home/gates/pinskia/src/
gnu/gcc/src/gcc/toplev.c:1595
#9 0x0818556e in main (argc=1074953416, argv=0x40127cc8) at /home/gates/pinskia/src/gnu/
gcc/src/gcc/main.c:35
Working on a fix. Subject: Bug 15044 CVSROOT: /cvs/gcc Module name: gcc Branch: gcc-3_4-branch Changes by: mmitchel@gcc.gnu.org 2004-05-24 02:22:19 Modified files: gcc/testsuite : ChangeLog gcc/cp : ChangeLog parser.c typeck.c Added files: gcc/testsuite/g++.dg/ext: attrib14.C gcc/testsuite/g++.dg/template: error12.C ptrmem9.C Log message: PR c++/15044 * parser.c (cp_parser_class_head): Robustify. PR c++/15317 * parser.c (cp_parser_decl_specifier_seq): Correct error in comment. (cp_parser_constructor_declarator_p): Treat attributes as decl-specifiers. PR c++/15329 * typeck.c (build_unary_op): Do not attempt to resolve casts to base classes in templates. PR c++/15044 * g++.dg/template/error12.C: New test. PR c++/15317 * g++.dg/ext/attrib14.C: New test. PR c++/15329 * g++.dg/template/ptrmem9.C: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.182&r2=1.3389.2.183 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3892.2.105&r2=1.3892.2.106 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/parser.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.157.2.27&r2=1.157.2.28 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.519.2.15&r2=1.519.2.16 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/ext/attrib14.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.2.16.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/error12.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/ptrmem9.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1 Subject: Bug 15044 CVSROOT: /cvs/gcc Module name: gcc Changes by: mmitchel@gcc.gnu.org 2004-05-24 02:29:35 Modified files: gcc/testsuite : ChangeLog gcc/cp : ChangeLog parser.c typeck.c Added files: gcc/testsuite/g++.dg/ext: attrib15.C gcc/testsuite/g++.dg/template: error12.C ptrmem9.C Log message: PR c++/15044 * parser.c (cp_parser_class_head): Robustify. PR c++/15317 * parser.c (cp_parser_decl_specifier_seq): Correct error in comment. (cp_parser_constructor_declarator_p): Treat attributes as decl-specifiers. PR c++/15329 * typeck.c (build_unary_op): Do not attempt to resolve casts to base classes in templates. PR c++/15044 * g++.dg/template/error12.C: New test. PR c++/15317 * g++.dg/ext/attrib15.C: New test. PR c++/15329 * g++.dg/template/ptrmem9.C: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3777&r2=1.3778 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4056&r2=1.4057 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/parser.c.diff?cvsroot=gcc&r1=1.194&r2=1.195 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck.c.diff?cvsroot=gcc&r1=1.543&r2=1.544 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/ext/attrib15.C.diff?cvsroot=gcc&r1=NONE&r2=1.1 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/error12.C.diff?cvsroot=gcc&r1=1.1&r2=1.2 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/ptrmem9.C.diff?cvsroot=gcc&r1=1.1&r2=1.2 Subject: Bug 15044 CVSROOT: /cvs/gcc Module name: gcc Branch: gcc-3_4-branch Changes by: mmitchel@gcc.gnu.org 2004-05-24 02:30:28 Modified files: gcc/testsuite : ChangeLog Added files: gcc/testsuite/g++.dg/ext: attrib15.C Log message: PR c++/15044 * parser.c (cp_parser_class_head): Robustify. PR c++/15317 * parser.c (cp_parser_decl_specifier_seq): Correct error in comment. (cp_parser_constructor_declarator_p): Treat attributes as decl-specifiers. PR c++/15329 * typeck.c (build_unary_op): Do not attempt to resolve casts to base classes in templates. PR c++/15044 * g++.dg/template/error12.C: New test. PR c++/15317 * g++.dg/ext/attrib15.C: New test. PR c++/15329 * g++.dg/template/ptrmem9.C: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.183&r2=1.3389.2.184 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/ext/attrib15.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1 Fixed in GCC 3.4.1. *** Bug 16133 has been marked as a duplicate of this bug. *** |
ICE on syntax error as follows: template class <num_t> class a { num_t n; } Using gcc-3.4.0 bootstapped on Linux for i386, cd /home/duz/cc/ gcc-3.4 -v -O -S tst.cc Reading specs from /opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/specs Configured with: /pub/unpacked/gcc-3.4.0/configure --prefix=/opt/gnu/gcc-3.4.0 --enable-languages=c,c++ --disable-shared --disable-nls --disable-multilib --program-suffix=-3.4 Thread model: posix gcc version 3.4.0 /opt/gnu/gcc-3.4.0/libexec/gcc/i686-pc-linux-gnu/3.4.0/cc1plus -quiet -v -D_GNU_SOURCE tst.cc -quiet -dumpbase tst.cc -mtune=pentiumpro -auxbase tst -O -version -o tst.s ignoring nonexistent directory "/opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/../../../../i686-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/../../../../include/c++/3.4.0 /opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/../../../../include/c++/3.4.0/i686-pc-linux-gnu /opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/../../../../include/c++/3.4.0/backward /usr/local/include /opt/gnu/gcc-3.4.0/include /opt/gnu/gcc-3.4.0/lib/gcc/i686-pc-linux-gnu/3.4.0/include /usr/include End of search list. GNU C++ version 3.4.0 (i686-pc-linux-gnu) compiled by GNU C version 3.4.0. GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64471 tst.cc:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. Compilation exited abnormally with code 1 at Wed Apr 21 15:54:06