PR fortran/71194
* trans-expr.c (gfc_trans_pointer_assignment): Correctly handle
RHS pointer functions.
PR fortran/71194
* gfortran.dg/pointer_remapping_10.f90 | 46 ++++++++++++++++++++++
@@ -7934,11 +7934,11 @@ gfc_trans_pointer_assignment (gfc_expr * expr1, gfc_expr * expr2)
bound, bound, 0,
GFC_ARRAY_POINTER_CONT, false);
tmp = gfc_create_var (tmp, "ptrtemp");
- lse.descriptor_only = 0;
- lse.expr = tmp;
- lse.direct_byref = 1;
- gfc_conv_expr_descriptor (&lse, expr2);
- strlen_rhs = lse.string_length;
+ rse.descriptor_only = 0;
+ rse.expr = tmp;
+ rse.direct_byref = 1;
+ gfc_conv_expr_descriptor (&rse, expr2);
+ strlen_rhs = rse.string_length;
rse.expr = tmp;
}
else
new file mode 100644
@@ -0,0 +1,46 @@
+! { dg-do run }
+! { dg-options "-fcheck=all" }
+!
+! PR fortran/71194
+!
+! Contributed by T Kondic
+!
+program ice
+implicit none
+integer, parameter :: pa=10, pb=20
+complex, target :: a(pa*pb)
+real, pointer:: ptr(:,:) =>null()
+integer :: i, j, cnt
+logical :: negative
+
+ do i = 1, size(a)
+ a(i) = cmplx(i,-i)
+ end do
+
+ ! Was ICEing before with bounds checks
+ ptr(1:pa*2,1:pb) => conv2real(a)
+
+ negative = .false.
+ cnt = 1
+ do i = 1, ubound(ptr,dim=2)
+ do j = 1, ubound(ptr,dim=1)
+ if (negative) then
+ if (-cnt /= ptr(j, i)) call abort()
+ cnt = cnt + 1
+ negative = .false.
+ else
+ if (cnt /= ptr(j, i)) call abort()
+ negative = .true.
+ end if
+ end do
+ end do
+
+contains
+ function conv2real(carr)
+ use, intrinsic :: iso_c_binding
+ ! returns real pointer to a complex array
+ complex, contiguous, intent(inout), target :: carr(:)
+ real,contiguous,pointer :: conv2real(:)
+ call c_f_pointer(c_loc(carr),conv2real,[size(carr)*2])
+ end function conv2real
+end program