[Bug fortran/85084] New: [6/7/8 Regression] ICE: out of memory allocating 18446744073709551600 bytes ...

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85084

            Bug ID: 85084
           Summary: [6/7/8 Regression] ICE: out of memory allocating
                    18446744073709551600 bytes ...
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Invalid code affects versions 6/7/8 :


$ cat z1.f90
program p
   real :: a(3,3) = 1.0
   real :: b(3)
   b = matmul(a, a)
end


$ cat z2.f90
program p
   real :: a(3,3) = 1.0
   real :: b(33)
   b = matmul(a, a)
end


$ gfortran-5 -c z1.f90 -O2
z1.f90:4:3:

    b = matmul(a, a)
   1
Error: Incompatible ranks 1 and 2 in assignment at (1)


$ gfortran-8 -c z1.f90 -O2
z1.f90:4:3:

    b = matmul(a, a)
   1
Error: Incompatible ranks 1 and 2 in assignment at (1)

f951: out of memory allocating 18446744073709551600 bytes after a total of
643072 bytes