[Bug fortran/31119] New: Bogus "array abound mismatch" for -fbounds-check

[burnus at gcc dot gnu dot org]

The following program produces the wrong error:

 ivec_=           1           2
Fortran runtime error: Array bound mismatch, size mismatch for dimension 1 of
array 'ivec' (in file 'x.f90', at line 20)
with -fbounds-check.

Taken from:

http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/b8313f7232d8a5f5/


module sub_mod
contains
elemental subroutine set_optional(i,idef,iopt)
! set i to (iopt,idef) if iopt (is,is not) PRESENT
integer, intent(out)          :: i
integer, intent(in)           :: idef
integer, intent(in), optional :: iopt
if (present(iopt)) then
   i = iopt
else
   i = idef
end if
end subroutine set_optional
!
subroutine sub(ivec)
integer          , intent(in), optional :: ivec(:)
integer                                 :: ivec_(2)
call set_optional(ivec_,(/1,2/))
print*,"ivec_=",ivec_
call set_optional(ivec_,(/1,2/),ivec)
print*,"ivec_=",ivec_
end subroutine sub
end module sub_mod

program main
use sub_mod, only: sub
call sub()
end program main


-- 
           Summary: Bogus "array abound mismatch" for -fbounds-check
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: wrong-code, diagnostic
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: burnus at gcc dot gnu dot org
OtherBugsDependingO 27766
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31119