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From: "mikael at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/108957] Fortran FE memleak with interfaces
Date: Mon, 06 Mar 2023 18:46:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108957

Mikael Morin <mikael at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikael at gcc dot gnu.org

--- Comment #1 from Mikael Morin <mikael at gcc dot gnu.org> ---
This seems to do the trick for this testcase:

diff --git a/gcc/fortran/parse.cc b/gcc/fortran/parse.cc
index f1e55316e5b..f7670591fad 100644
--- a/gcc/fortran/parse.cc
+++ b/gcc/fortran/parse.cc
@@ -3864,9 +3864,6 @@ loop:
   accept_statement (st);
   prog_unit =3D gfc_new_block;
   prog_unit->formal_ns =3D gfc_current_ns;
-  if (prog_unit =3D=3D prog_unit->formal_ns->proc_name
-      && prog_unit->ns !=3D prog_unit->formal_ns)
-    prog_unit->refs++;

 decl:
   /* Read data declaration statements.  */


I can't fully test it right now.=