https://github.com/vbvictor created 
https://github.com/llvm/llvm-project/pull/170971

Before the change, when given such incorrect ordering:
```
   :doc:`modernize-use-designated-initializers 
<modernize/use-designated-initializers>`, "Yes"
   :doc:`modernize-use-equals-default <modernize/use-equals-default>`, "Yes"
   :doc:`modernize-use-emplace <modernize/use-emplace>`, "Yes"
   :doc:`modernize-use-equals-delete <modernize/use-equals-delete>`, "Yes"
   :doc:`modernize-use-integer-sign-comparison 
<modernize/use-integer-sign-comparison>`, "Yes"
```
Script output suggested removing `modernize-use-equals-default` line that came 
before `modernize-use-emplace` but in my actual file, we can see that current 
ordering is different (same as 2nd part of the diff):
```
# |      :doc:`modernize-use-constraints <modernize/use-constraints>`, "Yes"
# |      :doc:`modernize-use-default-member-init 
<modernize/use-default-member-init>`, "Yes"
# |      :doc:`modernize-use-designated-initializers 
<modernize/use-designated-initializers>`, "Yes"
# |      :doc:`modernize-use-emplace <modernize/use-emplace>`, "Yes"
# | -    :doc:`modernize-use-equals-default <modernize/use-equals-default>`, 
"Yes"
# |      :doc:`modernize-use-equals-delete <modernize/use-equals-delete>`, "Yes"
# |      :doc:`modernize-use-integer-sign-comparison 
<modernize/use-integer-sign-comparison>`, "Yes"
# |      :doc:`modernize-use-nodiscard <modernize/use-nodiscard>`, "Yes"
# | --- 316,323 ----
# |      :doc:`modernize-use-constraints <modernize/use-constraints>`, "Yes"
# |      :doc:`modernize-use-default-member-init 
<modernize/use-default-member-init>`, "Yes"
# |      :doc:`modernize-use-designated-initializers 
<modernize/use-designated-initializers>`, "Yes"
# | +    :doc:`modernize-use-equals-default <modernize/use-equals-default>`, 
"Yes"
# |      :doc:`modernize-use-emplace <modernize/use-emplace>`, "Yes"
# |      :doc:`modernize-use-equals-delete <modernize/use-equals-delete>`, "Yes"
```

We need to invert the diff, so the user can correctly follow its 
recommendations.


>From 6c12051a6f16f1df3d73f1490b82b7907c725f8b Mon Sep 17 00:00:00 2001
From: Victor Baranov <[email protected]>
Date: Sat, 6 Dec 2025 11:51:36 +0300
Subject: [PATCH] [clang-tidy] Show better diff when
 check_alphabetical_order.py fails

---
 .../test/clang-tidy/infrastructure/alphabetical-order.test    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/clang-tools-extra/test/clang-tidy/infrastructure/alphabetical-order.test 
b/clang-tools-extra/test/clang-tidy/infrastructure/alphabetical-order.test
index 1a75c12f909fd..6cb0da7322f4f 100644
--- a/clang-tools-extra/test/clang-tidy/infrastructure/alphabetical-order.test
+++ b/clang-tools-extra/test/clang-tidy/infrastructure/alphabetical-order.test
@@ -1,5 +1,5 @@
 // RUN: %python %S/../../../clang-tidy/tool/check_alphabetical_order.py -o 
%t.clang-tidy-checks-list.rst
-// RUN: diff --strip-trailing-cr %t.clang-tidy-checks-list.rst 
%S/../../../docs/clang-tidy/checks/list.rst
+// RUN: diff --strip-trailing-cr %S/../../../docs/clang-tidy/checks/list.rst 
%t.clang-tidy-checks-list.rst
 
 // RUN: %python %S/../../../clang-tidy/tool/check_alphabetical_order.py -o 
%t.ReleaseNotes.rst
-// RUN: diff --strip-trailing-cr %t.ReleaseNotes.rst 
%S/../../../docs/ReleaseNotes.rst
+// RUN: diff --strip-trailing-cr %S/../../../docs/ReleaseNotes.rst 
%t.ReleaseNotes.rst

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