diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
index edc39766774e5..e9807b210a7e8 100644
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -5163,6 +5163,13 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "TestingDemangle",
+    testonly = True,
+    copts = llvm_copts,
+    textual_hdrs = glob(["include/llvm/Testing/Demangle/*.inc"]),
+)
+
 cc_library(
     name = "TestingSupport",
     testonly = True,