[Bug fortran/87575] New: [9 Regression] compilation error for 465.tonto SPEC benchmark since r264990

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87575

            Bug ID: 87575
           Summary: [9 Regression] compilation error for 465.tonto SPEC
                    benchmark since r264990
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Keywords: rejects-valid
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: burnus at gcc dot gnu.org
  Target Milestone: ---

Since the mentioned revision I see:

$ gfortran -c -o cif.fppized.o -Ofast -g -march=native -std=legacy
cif.fppized.f90
cif.fppized.f90:792:26:

792 |    call ensure_(tonto,all(ID(:)(1:1)=="_"),"CIF:find_looped_items ... ID
list does not have a looped datum")
    |                          1
Error: Substring reference of nonscalar not permitted at (1)