diff --git a/llvm/utils/gn/secondary/llvm/tools/llvm-profgen/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-profgen/BUILD.gn
index b3e957c082bab..6f068278ce1f0 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-profgen/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-profgen/BUILD.gn
@@ -14,6 +14,7 @@ executable("llvm-profgen") {
   ]
   sources = [
     "CSPreInliner.cpp",
+    "MissingFrameInferrer.cpp",
     "PerfReader.cpp",
     "ProfileGenerator.cpp",
     "ProfiledBinary.cpp",