[Bug bootstrap/63821] ICE in verify_gimple during libgcc build starting with r217349

[Joost.VandeVondele at mat dot ethz.ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63821

Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |Joost.VandeVondele at mat dot ethz
                   |                            |.ch

--- Comment #6 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
Fortran testcase involving other types.

> cat bug.f90
SUBROUTINE calculates_green_opt()
  INTEGER, PARAMETER :: dp=8
  REAL(KIND=dp), ALLOCATABLE, DIMENSION(:) :: green, green1
  ALLOCATE(green(-nrec:nrec),stat=i_all)
  DO ikern=1,nrec
     green(-ikern)=gleft+gright
     IF (ABS(green(ikern)) <= 1.e-20_dp) THEN
        nrec=ikern
        EXIT
     END IF
  END DO
  ALLOCATE(green1(-nrec:nrec),stat=i_all)
  CALL scf_recursion(nrec,green(-nrec),green1(-nrec))
END SUBROUTINE calculates_green_opt

> gfortran  -c  -O3  bug.f90
bug.f90:1:0:

 SUBROUTINE calculates_green_opt()
 ^
Error: non-trivial conversion at assignment
integer(kind=8)
unsigned long
pretmp_55 = ivtmp.30_114;
bug.f90:1:0: internal compiler error: verify_gimple failed