[Bug fortran/82332] New: [8 regression] r253156 breaks test case gfortran.dg/predcom-1.f

["seurer at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82332

            Bug ID: 82332
           Summary: [8 regression] r253156 breaks test case
                    gfortran.dg/predcom-1.f
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

I saw this on powerpc64 both BE and LE.

spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-test2/gcc/testsuite/gfortran/../../gfortran
-B/home/seurer/gcc/build/gcc-test2/gcc/testsuite/gfortran/../../
-B/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libgfortran/
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f
-fno-diagnostics-show-caret -fdiagnostics-color=never -O -O3 -S -o predcom-1.s
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:12:53:
Warning: (1)
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:11:72:
Warning: Array reference at (1) out of bounds (0 < 1) in loop beginning at (2)
output is:
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:12:53:
Warning: (1)
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:11:72:
Warning: Array reference at (1) out of bounds (0 < 1) in loop beginning at (2)

FAIL: gfortran.dg/predcom-1.f   -O  (test for excess errors)
Excess errors:
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:12:53:
Warning: Array reference at (1) out of bounds (0 < 1) in loop beginning at (2)
/home/seurer/gcc/gcc-test2/gcc/testsuite/gfortran.dg/predcom-1.f:11:72:
Warning: Array reference at (1) out of bounds (0 < 1) in loop beginning at (2)