[Bug fortran/86283] New: [9 regression] ICE in gfortran.dg/interface_abstract_4.f90 (and others) starting with r261868

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86283

            Bug ID: 86283
           Summary: [9 regression] ICE in
                    gfortran.dg/interface_abstract_4.f90 (and others)
                    starting with r261868
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

FAIL: gfortran.dg/interface_abstract_4.f90   -O  (internal compiler error)
FAIL: gfortran.dg/interface_abstract_4.f90   -O  (test for excess errors)

spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/gfortran/../../gfortran
-B/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/gfortran/../../
-B/home/seurer/gcc/build/gcc-trunk/powerpc64-unknown-linux-gnu/./libgfortran/
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.dg/interface_abstract_4.f90
-fno-diagnostics-show-caret -fdiagnostics-color=never -O -pedantic-errors -S -o
interface_abstract_4.s
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.dg/interface_abstract_4.f90:29:12:
Error: ABSTRACT INTERFACE 'f' must not be referenced at (1)
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gfortran.dg/interface_abstract_4.f90:30:68:
Error: ABSTRACT INTERFACE 's' must not be referenced at (1)
f951: internal compiler error: Segmentation fault
0x10a5cd8b crash_signal
        /home/seurer/gcc/gcc-trunk/gcc/toplev.c:324
0x102cc538 resolve_function
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:3119
0x102c8adf gfc_resolve_expr(gfc_expr*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:6741
0x102cf9f3 resolve_compcall
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:6299
0x102c9257 resolve_typebound_function
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:6408
0x102c9257 gfc_resolve_expr(gfc_expr*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:6752
0x102bd597 gfc_resolve_code(gfc_code*, gfc_namespace*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:11133
0x102d315b gfc_resolve_blocks(gfc_code*, gfc_namespace*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:10173
0x102bd9f7 gfc_resolve_code(gfc_code*, gfc_namespace*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:11123
0x102c0b9f resolve_codes
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:16581
0x102c0afb resolve_codes
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:16565
0x102c0c53 gfc_resolve(gfc_namespace*)
        /home/seurer/gcc/gcc-trunk/gcc/fortran/resolve.c:16616
0x102a7557 resolve_all_program_units
        /home/seurer/gcc/gcc-trunk/gcc/fortran/parse.c:6064
0x102a7557 gfc_parse_file()
        /home/seurer/gcc/gcc-trunk/gcc/fortran/parse.c:6314
0x103116cf gfc_be_parse_file
        /home/seurer/gcc/gcc-trunk/gcc/fortran/f95-lang.c:204


these test cases also fail:

FAIL: gfortran.dg/assumed_charlen_function_7.f90   -O  (test for excess errors)

FAIL: gfortran.dg/actual_array_offset_1.f90   -O0  (internal compiler error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O1  (internal compiler error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O1  (test for excess errors)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O2  (internal compiler error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O2  (test for excess errors)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler
error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess
errors)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O3 -g  (internal compiler error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -O3 -g  (test for excess errors)
FAIL: gfortran.dg/actual_array_offset_1.f90   -Os  (internal compiler error)
FAIL: gfortran.dg/actual_array_offset_1.f90   -Os  (test for excess errors)