From fd92ceb4317d3adb97421e9aa36bdb533fa7ddd7 Mon Sep 17 00:00:00 2001
From: Artem Chikin <achikin@apple.com>
Date: Wed, 12 Nov 2025 16:51:26 -0800
Subject: [PATCH] [NFC] Avoid use of unavailable range 'contains' method

This method appears to be missing in the host standard library on some CI platforms, still.
---
 Sources/SwiftWarningControl/WarningControlRegions.swift | 2 +-
 Tests/SwiftWarningControlTest/WarningControlTests.swift | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/Sources/SwiftWarningControl/WarningControlRegions.swift b/Sources/SwiftWarningControl/WarningControlRegions.swift
index 5e045a160e7..8faf4c5901b 100644
--- a/Sources/SwiftWarningControl/WarningControlRegions.swift
+++ b/Sources/SwiftWarningControl/WarningControlRegions.swift
@@ -254,7 +254,7 @@ private class WarningControlRegionNode {
 
   /// Add a child region that is directly nested within this region
   func addChild(_ node: WarningControlRegionNode) {
-    precondition(range.contains(node.range))
+    precondition(range.lowerBound <= node.range.lowerBound && node.range.upperBound <= range.upperBound)
     children.append(node)
     children.sort()
   }
diff --git a/Tests/SwiftWarningControlTest/WarningControlTests.swift b/Tests/SwiftWarningControlTest/WarningControlTests.swift
index 5ff48dd9594..acf23b2012d 100644
--- a/Tests/SwiftWarningControlTest/WarningControlTests.swift
+++ b/Tests/SwiftWarningControlTest/WarningControlTests.swift
@@ -386,8 +386,6 @@ private func assertWarningGroupControl(
       groupInheritanceTree: groupInheritanceTree
     )
 
-    print(warningControlRegions.debugDescription)
-
     let groupControl = token.warningGroupControl(
       for: diagnosticGroupID,
       globalControls: globalControls,