Command line: $ gcc -std=gnu++0x -O -fno-inline -fipa-cp -fipa-cp-clone -fcompare-debug testcase.C
Related valgrind output: $ valgrind -q --trace-children=yes /mnt/svn/gcc-trunk/binary-163921-lto-fortran-checking-yes-rtl-df/bin/gcc -std=gnu++0x -O1 -fno-inline -fipa-cp -fipa-cp-clone -fcompare-debug testcase.C ==29279== Invalid read of size 8 ==29279== at 0x5D244C: cp_build_unary_op (typeck.c:5083) ==29279== by 0x4E0E81: build_new_method_call (call.c:6461) ==29279== by 0x53C33D: tsubst_copy_and_build (pt.c:12572) ==29279== by 0x52D1B8: tsubst_expr (pt.c:12054) ==29279== by 0x533C43: tsubst (pt.c:10696) ==29279== by 0x5961E0: dump_function_decl (error.c:315) ==29279== by 0x5968F8: decl_as_string (error.c:2372) ==29279== by 0x612CA9: cxx_printable_name_internal (tree.c:1440) ==29279== by 0xAA375D: dump_enumerated_decls (tree-ssa-live.c:1268) ==29279== by 0xA406F8: execute_cleanup_cfg_post_optimizing (tree-optimize.c:214) ==29279== by 0x8FD47E: execute_one_pass (passes.c:1569) ==29279== by 0x8FD724: execute_pass_list (passes.c:1624) ==29279== Address 0x20 is not stack'd, malloc'd or (recently) free'd ==29279== gcc: internal compiler error: Segmentation fault (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r163921 - crash r163636 - crash r161659 - OK r161170 - OK 4.5 r163761 - OK -- Summary: [4.6 Regression] ICE: SIGSEGV in cp_build_unary_op (typeck.c:5083) with -std=gnu++0x -fipa-cp-clone - fcompare-debug Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45562
