[llvm] [gn build] Port 1b879464b362 (PR #209147)

[Nico Weber via llvm-commits]

https://github.com/nico created https://github.com/llvm/llvm-project/pull/209147

None

>From 108ebc944d9ebbf620b8c273bd5c09d5b243a856 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis at chromium.org>
Date: Mon, 13 Jul 2026 07:46:44 -0400
Subject: [PATCH] [gn build] Port 1b879464b362

---
 llvm/utils/gn/secondary/clang/lib/Basic/BUILD.gn       | 1 +
 llvm/utils/gn/secondary/clang/unittests/Basic/BUILD.gn | 1 +
 2 files changed, 2 insertions(+)

diff --git a/llvm/utils/gn/secondary/clang/lib/Basic/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Basic/BUILD.gn
index 814ee696396ac..61a983990bdf8 100644
--- a/llvm/utils/gn/secondary/clang/lib/Basic/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Basic/BUILD.gn
@@ -78,6 +78,7 @@ static_library("Basic") {
   include_dirs = [ "." ]
   sources = [
     "ASTSourceDescriptor.cpp",
+    "AtomicLineLogger.cpp",
     "Attributes.cpp",
     "Builtins.cpp",
     "CLWarnings.cpp",
diff --git a/llvm/utils/gn/secondary/clang/unittests/Basic/BUILD.gn b/llvm/utils/gn/secondary/clang/unittests/Basic/BUILD.gn
index 954de884c3918..2dc837bf37f44 100644
--- a/llvm/utils/gn/secondary/clang/unittests/Basic/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/unittests/Basic/BUILD.gn
@@ -9,6 +9,7 @@ unittest("BasicTests") {
     "//llvm/lib/Testing/Support",
   ]
   sources = [
+    "AtomicLineLoggerTest.cpp",
     "CharInfoTest.cpp",
     "DarwinSDKInfoTest.cpp",
     "DiagnosticTest.cpp",