[Bug tree-optimization/88919] New: New test case gcc.dg/vect/pr88903-1.c in r268076 fails

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88919

            Bug ID: 88919
           Summary: New test case gcc.dg/vect/pr88903-1.c in r268076 fails
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Executing on host: /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/pr88903-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never   -maltivec -mpower8-vector -ftree-vectorize
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details  -lm  -o
./pr88903-1.exe    (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/pr88903-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -maltivec -mpower8-vector -ftree-vectorize
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -lm -o
./pr88903-1.exe
PASS: gcc.dg/vect/pr88903-1.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-test2/gcc::/home/seurer/gcc/build/gcc-test2/gcc:/home/seurer/gcc/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test2/./isl/.libs:/home/seurer/gcc/build/gcc-test2/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.2.0/lib64
Execution timeout is: 300
spawn [open ...]
FAIL: gcc.dg/vect/pr88903-1.c execution test


seurer@makalu-lp1:~/gcc/build/gcc-test2$
/home/seurer/gcc/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/build/gcc-test2/gcc/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/pr88903-1.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -flto -ffat-lto-objects -maltivec -mpower8-vector
-ftree-vectorize -fno-vect-cost-model -fno-common -g -O2
-fdump-tree-vect-details  -lm  -o ./pr88903-1.exe

seurer@makalu-lp1:~/gcc/build/gcc-test2$ gdb ./pr88903-1.exe
(gdb) run
Starting program: /home/seurer/gcc/build/gcc-test2/./pr88903-1.exe 

Program received signal SIGABRT, Aborted.
0x00003fffb7cd247c in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:55
55        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) where
#0  0x00003fffb7cd247c in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00003fffb7cd4688 in __GI_abort () at abort.c:90
#2  0x0000000010000670 in main () at
/home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/vect/pr88903-1.c:24

int
main()
{
  check_vect ();
  for (int i = 0; i < 1024; ++i)
    x[i] = i;
  foo ();
  for (int i = 0; i < 1024; ++i)
    if (x[i] != i << (i/2+1))
      __builtin_abort ();  // line 24
  return 0;
}