[gn build] Port e823068306e

diff --git a/llvm/utils/gn/secondary/llvm/unittests/Support/BUILD.gn b/llvm/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
index b58a6ab..446fa17 100644 (file)
--- a/llvm/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
@@ -35,6 +35,7 @@ unittest("SupportTests") {
     "ErrnoTest.cpp",
     "ErrorOrTest.cpp",
     "ErrorTest.cpp",
+    "ExtensibleRTTITest.cpp",
     "FileCheckTest.cpp",
     "FileCollectorTest.cpp",
     "FileOutputBufferTest.cpp",