From d5154440f91bb779bcd104aee8fcb50511189614 Mon Sep 17 00:00:00 2001
From: Pablo Brubeck <brubeck@protonmail.com>
Date: Mon, 29 Jul 2024 16:44:04 +0100
Subject: [PATCH] WIP: fixes to assemble complicated BaseForms

---
 ufl/adjoint.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ufl/adjoint.py b/ufl/adjoint.py
index 71ac3bd32..f4a7f4494 100644
--- a/ufl/adjoint.py
+++ b/ufl/adjoint.py
@@ -84,7 +84,11 @@ def form(self):
 
     def _analyze_form_arguments(self):
         """The arguments of adjoint are the reverse of the form arguments."""
-        self._arguments = self._form.arguments()[::-1]
+        reversed_args = self._form.arguments()[::-1]
+        # Canonical numbering for arguments that is consistent with other BaseForm objects.
+        self._arguments = tuple(
+            type(arg)(arg.ufl_function_space(), number=i) for i, arg in enumerate(reversed_args)
+        )
         self._coefficients = self._form.coefficients()
 
     def _analyze_domains(self):