[Bug rtl-optimization/64921] New: [5 Regression] FAIL: gfortran.dg/class_allocate_18.f90 with -fPIC

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64921

            Bug ID: 64921
           Summary: [5 Regression] FAIL: gfortran.dg/class_allocate_18.f90
                    with -fPIC
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com

On x86-32, r220369 gave

FAIL: gfortran.dg/class_allocate_18.f90   -O0  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O1  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O2  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer  execution
test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer
-funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer
-funroll-loops  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -g  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -Os  execution test

when -fPIC is used.  r220364 is OK.