gn build: Merge r361117

llvm-svn: 361121
diff --git a/llvm/utils/gn/secondary/clang/unittests/AST/BUILD.gn b/llvm/utils/gn/secondary/clang/unittests/AST/BUILD.gn
index 1edceba..d52d586 100644
--- a/llvm/utils/gn/secondary/clang/unittests/AST/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/unittests/AST/BUILD.gn
@@ -17,6 +17,7 @@
     "ASTImporterGenericRedeclTest.cpp",
     "ASTImporterTest.cpp",
     "ASTImporterVisibilityTest.cpp",
+    "ASTTraverserTest.cpp",
     "ASTTypeTraitsTest.cpp",
     "ASTVectorTest.cpp",
     "CommentLexer.cpp",