https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71961

            Bug ID: 71961
           Summary: [7 Regression] 178.galgel in SPEC CPU 2000 is
                    miscompiled
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: tkoenig at gcc dot gnu.org
  Target Milestone: ---

On x86-64, r238497 miscompiled 178.galgel in SPEC CPU 2000:

[hjl@gnu-ivb-1 00000002]$ cat galgel.out.mis 
0203:                 C1 = (  -0.3411    ,  0.2388    )
                      C1 = (  -0.3475    ,  0.2414    )
                                    ^
0268:      Parameter Mu            =  0.1048E+05
           Parameter Mu            =  0.1068E+05
                                               ^
0269:      Parameter Tau           = -0.1024E-01
           Parameter Tau           = -0.1041E-01
                                               ^
0270:      Floquet exponent        = -0.6821    
           Floquet exponent        = -0.6950    
                                           ^
[hjl@gnu-ivb-1 00000002]$

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