From d36fbdd6c0b02797874ce37924a47056fe384c20 Mon Sep 17 00:00:00 2001
From: Christoph Knittel <ck@cca.io>
Date: Mon, 26 Oct 2026 18:30:10 +0000
Subject: [PATCH] Test the evaluation order of a dict spread with children in
 JSX preserve mode

#8747 printed such a spread as separate JSX props with the children last,
so a later field was evaluated before them; #8754 fixed it. The plain and
preserve builds now record and compare that order. Closes #8757.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NLAPXPM9xbC6L6jutL4PDo
Signed-off-by: Christoph Knittel <ck@cca.io>
---
 .../jsx_preserve_semantics/cases/Order.res            | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/build_tests/jsx_preserve_semantics/cases/Order.res b/tests/build_tests/jsx_preserve_semantics/cases/Order.res
index 0caad33ddb..44d16e45f7 100644
--- a/tests/build_tests/jsx_preserve_semantics/cases/Order.res
+++ b/tests/build_tests/jsx_preserve_semantics/cases/Order.res
@@ -32,3 +32,14 @@ let copySpreadOrder = log->Array.copy
 
 let props = <Logged a={note("a")} b={note("b")} />
 let propsOrder = log->Array.copy
+
+module LoggedDict = {
+  @val external make: React.component<dict<string>> = "LoggedComp"
+}
+
+// A dict spread is one props object: its children are evaluated before the
+// fields after them
+let dictBase: dict<string> = dict{}
+let dictChildren =
+  <LoggedDict {...dict{...dictBase, "children": note("children"), "title": note("title")}} />
+let dictChildrenOrder = log->Array.copy