diff --git a/third_party/llvm-7.0/Android.bp b/third_party/llvm-7.0/Android.bp
index def21d0..6d81b91 100644
--- a/third_party/llvm-7.0/Android.bp
+++ b/third_party/llvm-7.0/Android.bp
@@ -754,6 +754,7 @@
         "llvm/lib/Transforms/Scalar/SeparateConstOffsetFromGEP.cpp",
         "llvm/lib/Transforms/Scalar/SROA.cpp",
         "llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp",
+        "llvm/lib/Transforms/Scalar/LowerAtomic.cpp",
         "llvm/lib/Transforms/Utils/BasicBlockUtils.cpp",
         "llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp",
         "llvm/lib/Transforms/Utils/BuildLibCalls.cpp",