From 8ca4866a95d403ff30dbb09a5d11a20a1d4c5a74 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien@potencier.org>
Date: Mon, 3 Aug 2026 17:35:03 +0200
Subject: [PATCH] Clarify duplicate macro deprecation message

---
 src/Parser.php                                         | 2 +-
 tests/Fixtures/macros/duplicate_definition.legacy.test | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Parser.php b/src/Parser.php
index 9f0c483fd46..42362dd3bf8 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -313,7 +313,7 @@ public function hasMacro(string $name): bool
     public function setMacro(string $name, MacroNode $node): void
     {
         if (isset($this->macros[$name])) {
-            trigger_deprecation('twig/twig', '3.29', 'Defining the macro "%s" more than once in "%s" is deprecated and will throw a SyntaxError in Twig 4.0 (first definition at line %d, second at line %d).', $name, $this->stream->getSourceContext()->getName(), $this->macros[$name]->getTemplateLine(), $node->getTemplateLine());
+            trigger_deprecation('twig/twig', '3.29', 'Defining the macro "%s" more than once in "%s" is deprecated and will throw a SyntaxError in Twig 4.0 (first definition at line %d, second at line %d). The last definition is used in Twig 3.', $name, $this->stream->getSourceContext()->getName(), $this->macros[$name]->getTemplateLine(), $node->getTemplateLine());
         }
 
         $this->macros[$name] = $node;
diff --git a/tests/Fixtures/macros/duplicate_definition.legacy.test b/tests/Fixtures/macros/duplicate_definition.legacy.test
index 8661e47781e..a0fb17000c2 100644
--- a/tests/Fixtures/macros/duplicate_definition.legacy.test
+++ b/tests/Fixtures/macros/duplicate_definition.legacy.test
@@ -1,7 +1,7 @@
 --TEST--
 Defining a macro more than once is deprecated
 --DEPRECATION--
-Since twig/twig 3.29: Defining the macro "greet" more than once in "index.twig" is deprecated and will throw a SyntaxError in Twig 4.0 (first definition at line 3, second at line 4).
+Since twig/twig 3.29: Defining the macro "greet" more than once in "index.twig" is deprecated and will throw a SyntaxError in Twig 4.0 (first definition at line 3, second at line 4). The last definition is used in Twig 3.
 --TEMPLATE--
 {% import _self as macros %}
 {% macro greet() %}first{% endmacro %}