[Bug fortran/122977] [15/16 Regression] Wrongly rejects associate to a contiguous pointer

[sgk at troutmask dot apl.washington.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122977

--- Comment #5 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Wed, Dec 03, 2025 at 08:44:39PM +0000, anlauf at gcc dot gnu.org wrote:
> 
> --- Comment #4 from anlauf at gcc dot gnu.org ---
> (In reply to Steve Kargl from comment #3)
> > 
> > I haven't looked at the issue with gfc_is_simply_contiguous() in
> > comment #2, but if it passes regression testing, and you have a
> > testcase (or two) feel free to commit.  The comment in the patch
> > explains the rationale.
> 
> The change in comment#2 regresses on gfortran.dg/associate_11.f90
> because it will pack the associate variable before passing to a subroutine.
> I don't have a simple answer yet.

I see.  In looking at the symbol_attribute struct in gfortran.h,
does the packing lead to attr.temporary or attr.artificial being
set?  These are the only ones that look like they may convey
some needed info; otherwise, we could add a new packed_arg attribute.