[Bug middle-end/67909] New: [6 Regression] 416.gamess in SPEC CPU 2006 is miscompiled

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67909

            Bug ID: 67909
           Summary: [6 Regression] 416.gamess in SPEC CPU 2006 is
                    miscompiled
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

On Linux/x86-64, revision 228616 gave

  Running 416.gamess ref peak lnx32e-gcc default

416.gamess: copy 0 non-zero return code (exit code=11, signal=0)


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Contents of h2ocu2+.gradient.err
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Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:
#0  0x7f558732ecd9 in ???
#1  0x7f558732df5d in ???
#2  0x31c64344af in ???
#3  0x7f877e in ???
#4  0x7fe28b in ???
#5  0x10ad021 in ???
#6  0xf99f8c in ???
#7  0x8b9d40 in ???
#8  0x8ba1d4 in ???
#9  0x8bb7a7 in ???
#10  0x8bbf64 in ???
#11  0x8bc995 in ???
#12  0x4015cc in ???
#13  0x31c64206af in ???
#14  0x401618 in ???
#15  0xffffffffffffffff in ???
/bin/sh: line 1:  3415 Segmentation fault      (core dumped) taskset -c
$TASK_CPU ../run_peak_ref_lnx32e-gcc.0000/gamess_peak.lnx32e-gcc

****************************************
Invalid run; unable to continue.
If you wish to ignore errors please use '-I' or ignore_errors

when compiled with

gfortran  -O3 -funroll-loops -ffast-math   -DSPEC_CPU_LP64