From a9935eb494395097fa7d58065efaa28a9d1f121d Mon Sep 17 00:00:00 2001
From: Allan Shortlidge <shortlidge@apple.com>
Date: Sat, 13 Sep 2025 16:58:34 -0700
Subject: [PATCH] Add explicit -swift-version argument in more tests.

https://github.com/swiftlang/swift-driver/pull/1985 missed a test suite where
`-swift-version` needs to be specified explicitly.
---
 Tests/SwiftDriverTests/IncrementalCompilationTests.swift | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Tests/SwiftDriverTests/IncrementalCompilationTests.swift b/Tests/SwiftDriverTests/IncrementalCompilationTests.swift
index 0ccfeee17..e6d1a495c 100644
--- a/Tests/SwiftDriverTests/IncrementalCompilationTests.swift
+++ b/Tests/SwiftDriverTests/IncrementalCompilationTests.swift
@@ -78,6 +78,7 @@ final class IncrementalCompilationTests: XCTestCase {
       "-save-temps",
       "-incremental",
       "-no-color-diagnostics",
+      "-swift-version", "5",
     ]
     + inputPathsAndContents.map({ $0.0.nativePathString(escaped: false) }).sorted()
   }