https://bugs.kde.org/show_bug.cgi?id=386945
--- Comment #7 from Markus Trippelsdorf <octopl...@yandex.com> --- Thanks. The gcc crash is gone, but I still get lots of invalid read warnings. However the amount of errors is much lower now: >From (valgrind trunk): ERROR SUMMARY: 89817 errors from 298 contexts To (your patch and --expensive-definedness-checks=yes): ERROR SUMMARY: 6495 errors from 85 contexts BTW valgrind trunk (without any patch) doesn't like --expensive-definedness-checks=yes: ==64698== Memcheck, a memory error detector ==64698== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==64698== Using Valgrind-3.14.0.GIT and LibVEX; rerun with -h for copyright info ==64698== Command: /home/trippels/gcc_test/usr/local/bin/../libexec/gcc/powerpc64le-unknown-linux-gnu/8.0.0/cc1plus -fpreprocessed bench.ii -quiet -dumpbase bench.cpp -auxbase ben ch -O2 -version -o bench.s ==64698== vex: priv/host_ppc_isel.c:1531 (iselWordExpr_R_wrk): Assertion `0' failed. vex storage: T total 666718712 bytes allocated vex storage: P total 192 bytes allocated valgrind: the 'impossible' happened: LibVEX called failure_exit(). host stacktrace: ==64698== at 0x58084148: show_sched_status_wrk (m_libcassert.c:355) ==64698== by 0x5808430F: report_and_quit (m_libcassert.c:426) ==64698== by 0x5808458B: panic (m_libcassert.c:502) ==64698== by 0x5808458B: vgPlain_core_panic_at (m_libcassert.c:507) ==64698== by 0x580845DB: vgPlain_core_panic (m_libcassert.c:512) ==64698== by 0x580B1987: failure_exit (m_translate.c:751) ==64698== by 0x581CBA7B: vex_assert_fail (main_util.c:247) ==64698== by 0x5825AC83: iselWordExpr_R_wrk (host_ppc_isel.c:1531) ==64698== by 0x5825AC83: iselWordExpr_R (host_ppc_isel.c:1404) ==64698== by 0x5825E48F: iselWordExpr_RH_wrk (host_ppc_isel.c:2756) ==64698== by 0x5825E48F: iselWordExpr_RH (host_ppc_isel.c:2704) ==64698== by 0x58259B6B: iselWordExpr_R_wrk (host_ppc_isel.c:1477) ==64698== by 0x58259B6B: iselWordExpr_R (host_ppc_isel.c:1404) ==64698== by 0x58259E6B: iselWordExpr_R_wrk (host_ppc_isel.c:1505) ==64698== by 0x58259E6B: iselWordExpr_R (host_ppc_isel.c:1404) ==64698== by 0x5825E48F: iselWordExpr_RH_wrk (host_ppc_isel.c:2756) ==64698== by 0x5825E48F: iselWordExpr_RH (host_ppc_isel.c:2704) ==64698== by 0x58259AFB: iselWordExpr_R_wrk (host_ppc_isel.c:1481) ==64698== by 0x58259AFB: iselWordExpr_R (host_ppc_isel.c:1404) ==64698== by 0x58258363: iselCondCode_wrk (host_ppc_isel.c:2965) ==64698== by 0x5826AAF7: iselCondCode (host_ppc_isel.c:2915) ==64698== by 0x5826AAF7: iselStmt (host_ppc_isel.c:6385) ==64698== by 0x5826AAF7: iselSB_PPC (host_ppc_isel.c:6983) ==64698== by 0x581C859F: libvex_BackEnd (main_main.c:1049) ==64698== by 0x581C859F: LibVEX_Translate (main_main.c:1186) ==64698== by 0x580B5323: vgPlain_translate (m_translate.c:1805) ==64698== by 0x58110E9F: handle_chain_me (scheduler.c:1084) ==64698== by 0x58113FFF: vgPlain_scheduler (scheduler.c:1428) ==64698== by 0x5812F697: thread_wrapper (syswrap-linux.c:103) ==64698== by 0x5812F697: run_a_thread_NORETURN (syswrap-linux.c:156) sched status: running_tid=1 Thread 1: status = VgTs_Runnable (lwpid 64698) ==64698== at 0x10B22120: equal (hash-traits.h:221) ==64698== by 0x10B22120: equal_keys (hash-map-traits.h:57) ==64698== by 0x10B22120: equal (hash-map.h:44) ==64698== by 0x10B22120: hash_table<hash_map<nofree_string_hash, opt_pass*, simple_hashmap_traits<default_hash_traits<nofree_string_hash>, opt_pass*> >::hash_entry, xcallocator >::find_with_hash(char const* const&, unsigned int) (hash-table.h:846) ==64698== by 0x10B18C33: get (hash-map.h:161) ==64698== by 0x10B18C33: gcc::pass_manager::register_pass_name(opt_pass*, char const*) (passes.c:864) ==64698== by 0x10B19433: gcc::pass_manager::register_one_dump_file(opt_pass*) (passes.c:834) ==64698== by 0x10B19567: gcc::pass_manager::register_dump_files(opt_pass*) (passes.c:846) ==64698== by 0x10B195A7: gcc::pass_manager::register_dump_files(opt_pass*) (passes.c:849) ==64698== by 0x10B195A7: gcc::pass_manager::register_dump_files(opt_pass*) (passes.c:849) ==64698== by 0x10B1F7EF: gcc::pass_manager::pass_manager(gcc::context*) (passes.c:1615) ==64698== by 0x101C220B: general_init (toplev.c:1168) ==64698== by 0x101C220B: toplev::main(int, char**) (toplev.c:2148) ==64698== by 0x101C51A7: main (main.c:39) -- You are receiving this mail because: You are watching all bug changes.
