[gn build] Merge r348593

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@348671 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn b/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
index 3bb7583..5128e87 100644
--- a/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
+++ b/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
@@ -56,6 +56,7 @@
     "LowerAtomic.cpp",
     "LowerExpectIntrinsic.cpp",
     "LowerGuardIntrinsic.cpp",
+    "MakeGuardsExplicit.cpp",
     "MemCpyOptimizer.cpp",
     "MergeICmps.cpp",
     "MergedLoadStoreMotion.cpp",