On Mon, Jun 12, 2023 at 11:12:45PM +0200, Harald Anlauf via Fortran wrote: > Dear all, > > the attached - actually rather small - patch is the result of a > rather intensive session with Mikael in an attempt to fix the > situation that we did not create proper temporaries when passing > zero-sized array arguments to procedures. When the dummy argument > was declared as OPTIONAL, in many cases it was mis-detected as > non-present. This also depended on the type of argument, and > was different for different intrinsic types, notably character, > and derived types, and should explain the rather large ratio of > the size of the provided testcases to the actual fix... > > (What the patch does not address: we still generate too much code > for unneeded temporaries, often two temporaries instead of just > one. I'll open a separate PR to track this.) > > Regtested on x86_64-pc-linux-gnu. OK for mainline? > > If this survives long enough on 14-trunk, would this be eligible > for a backport to 13-branch in time for 13.2? >
OK to commit. I've reviewed the bugzilla exchange between Mikael and you, and agree with committing this and opening a new PR to track the unneeded temporaries issue. -- Steve
