On Tue, Jul 11, 2017 at 12:15 PM, Bernd Edlinger
<bernd.edlin...@hotmail.de> wrote:
> Hi,
>
> I see this now as well on Ubuntu 16.04, but I doubt that the Kernel is
> to blame.
I don't see these failures when I use a 4.11 kernel. Only with a 4.4 kernel.
Also the guality testsuite does not run at all with a 4.4 kernel, it
does run when using a 4.11 kernel; I suspect this is the same symptom
of the bug.
Thanks,
Andrew Pinski
>
> I am able to reproduce this in debug-mode as follows:
>
> strace -s 4096 -o strace.txt expect -- /usr/share/dejagnu/runtest.exp
> --debug -v --tool gcc ubsan.exp=*
>
> So I have now a dbg.out and a strace log file showing what's going on
> when the bug happens.
>
> One test case that reliably Fails is c-c++-common/ubsan/overflow-mul-4.c
>
> strace sees the complete Output read in several 4K sized blocks, then a
> half-full block
> and then eof, so the complete message arrives but then a race condition
> seems to happen.
>
> so the following shows what happens while the spawn, two childs (test
> case&/bin/cat) die but the fifo
> (fileno 10) still has data to read out which works as expected but when
> the EOF is found the last part
> gets written to the log file (fileno 4), but is not used as test output.
>
>
> fcntl(10, F_GETFL) = 0 (flags O_RDONLY)
> fcntl(10, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
> fcntl(10, F_GETFL) = 0x800 (flags O_RDONLY|O_NONBLOCK)
> write(4, "spawn: returns {0}\r\n", 20) = 20
> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16141,
> si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16142,
> si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
> write(4, "Gate keeper glob pattern for '.+'", 33) = 33
> write(4, " is ''. Not usable, disabling the", 33) = 33
> write(4, " performance booster.\n", 22) = 22
> write(4, "\r\nexpect: does \"", 16) = 16
> write(4, "\" (spawn_id exp10) match regular expression ", 44) = 44
> write(4, "\"", 1) = 1
> write(4, ".+", 2) = 2
> write(4, "\"? ", 3) = 3
> write(4, "(No Gate, RE only) gate=", 24) = 24
> write(4, "yes re=", 7) = 7
> write(4, "no\r\n", 4) = 4
> write(9, "\0", 1) = 1
> futex(0x7d08cc, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 3029,
> {1499793457, 287025000}, ffffffff) = 0
> futex(0x7f2d85ae38e0, FUTEX_WAKE_PRIVATE, 1) = 0
> read(10,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in type 'long long int'\n/h", 4096) = 4096
> read(10,
> "ome/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:51:3:
> runtime error: signed integer overflow: 4257126176 * -2166572391 cannot
> be represented in type 'long long int'\n", 4096) = 2144
> write(6,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in type 'long long int'\n/h", 4096) = 4096
> write(6,
> "ome/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca",
> 1905) = 1905
> write(4,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in type 'long long int'\n/h", 4096) = 4096
> write(4,
> "ome/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca",
> 1905) = 1905
> write(4, "\r\nexpect: does \"", 16) = 16
> write(4,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in typ", 4096) = 4096
> write(4, "e 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca",
> 1935) = 1935
> write(4, "\" (spawn_id exp10) match regular expression ", 44) = 44
> write(4, "\"", 1) = 1
> write(4, ".+", 2) = 2
> write(4, "\"? ", 3) = 3
> write(4, "(No Gate, RE only) gate=", 24) = 24
> write(4, "yes re=", 7) = 7
> write(4, "yes\r\n", 5) = 5
> write(4, "expect: set expect_out(0,string) \"", 34) = 34
> write(4,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in typ", 4096) = 4096
> write(4, "e 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca",
> 1935) = 1935
> write(4, "\"\r\n", 3) = 3
> write(4, "expect: set expect_out(spawn_id) \"", 34) = 34
> write(4, "exp10", 5) = 5
> write(4, "\"\r\n", 3) = 3
> write(4, "expect: set expect_out(buffer) \"", 32) = 32
> write(4,
> "/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:20:3:
> runtime error: signed integer overflow: 1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:21:3:
> runtime error: signed integer overflow: -1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:22:3:
> runtime error: signed integer overflow: 1537228672809129302 * -6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:23:3:
> runtime error: signed integer overflow: -1537228672809129302 * 6 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:24:3:
> runtime error: signed integer overflow: 2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:25:3:
> runtime error: signed integer overflow: -2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:26:3:
> runtime error: signed integer overflow: 2166572392 * -4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:27:3:
> runtime error: signed integer overflow: -2166572392 * 4257126175 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:28:3:
> runtime error: signed integer overflow: 1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:29:3:
> runtime error: signed integer overflow: -1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:30:3:
> runtime error: signed integer overflow: 1537228672809129301 * -7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:31:3:
> runtime error: signed integer overflow: -1537228672809129301 * 7 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:32:3:
> runtime error: signed integer overflow: 2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:33:3:
> runtime error: signed integer overflow: -2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:34:3:
> runtime error: signed integer overflow: 2166572391 * -4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:35:3:
> runtime error: signed integer overflow: -2166572391 * 4257126176 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:36:3:
> runtime error: signed integer overflow: 6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:37:3:
> runtime error: signed integer overflow: -6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:38:3:
> runtime error: signed integer overflow: -6 * 1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:39:3:
> runtime error: signed integer overflow: 6 * -1537228672809129302 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:40:3:
> runtime error: signed integer overflow: 4257126175 * 2166572392 cannot
> be represented in typ", 4096) = 4096
> write(4, "e 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:41:3:
> runtime error: signed integer overflow: -4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:42:3:
> runtime error: signed integer overflow: -4257126175 * 2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:43:3:
> runtime error: signed integer overflow: 4257126175 * -2166572392 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:44:3:
> runtime error: signed integer overflow: 7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:45:3:
> runtime error: signed integer overflow: -7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:46:3:
> runtime error: signed integer overflow: -7 * 1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:47:3:
> runtime error: signed integer overflow: 7 * -1537228672809129301 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:48:3:
> runtime error: signed integer overflow: 4257126176 * 2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca",
> 1935) = 1935
> write(4, "\"\r\n", 3) = 3
> write(4, "expect: continuing expect\r\n", 27) = 27
> write(4, "\r\nexpect: does \"", 16) = 16
> write(4, "\" (spawn_id exp10) match regular expression ", 44) = 44
> write(4, "\"", 1) = 1
> write(4, ".+", 2) = 2
> write(4, "\"? ", 3) = 3
> write(4, "(No Gate, RE only) gate=", 24) = 24
> write(4, "yes re=", 7) = 7
> write(4, "no\r\n", 4) = 4
> write(9, "\0", 1) = 1
> futex(0x7d08cc, FUTEX_WAIT_PRIVATE, 3031, NULL) = 0
> futex(0x7f2d85ae38e0, FUTEX_WAKE_PRIVATE, 1) = 0
> read(10, "", 4096) = 0
> write(4, "expect: read eof\r\n", 18) = 18
> write(4, "expect: set expect_out(spawn_id) \"", 34) = 34
> write(4, "exp10", 5) = 5
> write(4, "\"\r\n", 3) = 3
> write(4, "expect: set expect_out(buffer) \"", 32) = 32
> write(4, "nnot be represented in type 'long long
> int'\\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:51:3:
> runtime error: signed integer overflow: 4257126176 * -2166572391 cannot
> be represented in type 'long long int'\\n", 241) = 241
> write(4, "\"\r\n", 3) = 3
> fcntl(10, F_GETFL) = 0x800 (flags O_RDONLY|O_NONBLOCK)
> fcntl(10, F_SETFL, O_RDONLY) = 0
> fcntl(10, F_GETFL) = 0 (flags O_RDONLY)
> close(10) = 0
> open("/dev/null", O_RDONLY) = 10
> fcntl(10, F_SETFD, FD_CLOEXEC) = 0
> fcntl(10, F_SETFD, FD_CLOEXEC) = 0
> write(4, "exp10 file7\n", 12) = 12
> write(6, "exp10 file7\n", 12) = 12
> write(1, "exp10 file7\n", 12) = 12
> close(10) = 0
> close(7) = 0
> ioctl(11, TCGETS, 0x7fff795ca6b0) = -1 ENOTTY (Inappropriate ioctl
> for device)
> getsockname(11, 0x7fff795ca750, 0x7fff795ca74c) = -1 ENOTSOCK (Socket
> operation on non-socket)
> wait4(16141, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 16141
> wait4(16142, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 16142
> lseek(11, 0, SEEK_SET) = 0
> read(11, "", 4096) = 0
> close(11) = 0
> write(5, "PASS: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions execution test\n", 141) = 141
> write(4, "PASS: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions execution test\n", 141) = 141
> write(6, "PASS: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions execution test\n", 141) = 141
> write(5, "FAIL: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions output pattern test\n", 146) = 146
> write(4, "FAIL: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions output pattern test\n", 146) = 146
> write(6, "FAIL: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions output pattern test\n", 146) = 146
> write(1, "FAIL: c-c++-common/ubsan/overflow-mul-4.c -O3
> -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
> -finline-functions output pattern test\n", 146) = 146
>
>
> In dbg.log it looks like this:
>
> d integer overflow: 4257126176 * 2166572391 cannot be represented in
> type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:49:3:
> runtime error: signed integer overflow: -4257126176 * -2166572391 cannot
> be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:50:3:
> runtime error: signed integer overflow: -4257126176 * 2166572391 ca"^M
>
> expect: continuing expect^M
>
> ^M
>
> expect: does "" (spawn_id exp10) match regular expression ".+"? (No
> Gate, RE only) gate=yes re=no^M
>
> expect: read eof^M
>
> expect: set expect_out(spawn_id) "exp10"^M
>
> expect: set expect_out(buffer) "nnot be represented in type 'long long
> int'\n/home/ed/gnu/gcc-8-20170709/gcc/testsuite/c-c++-common/ubsan/overflow-mul-4.c:51:3:
> runtime error: signed integer overflow: 4257126176 * -2166572391 cannot
> be represented in type 'long long int'\n"^M
>
> exp10 file7
>
> PASS: c-c++-common/ubsan/overflow-mul-4.c -O3 -g execution test
>
> FAIL: c-c++-common/ubsan/overflow-mul-4.c -O3 -g output pattern test
>
> Output was:
>
> c-c++-common/ubsan/overflow-mul-4.c:20:3: runtime error: signed integer
> overflow: 1537228672809129302 * 6 cannot be represented in type 'long
> long int'
>
> c-c++-common/ubsan/overflow-mul-4.c:21:3: runtime error: signed integer
> overflow: -1537228672809129302 * -6 cannot be represented in type 'long
> long int
>
>
>
> Any ideas what that means?
>
>
>
> Thanks
>
> Bernd.
>
