diff --git a/llvm/utils/gn/secondary/llvm/lib/CodeGen/AsmPrinter/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/CodeGen/AsmPrinter/BUILD.gn
index 6815640fbf4552..5bd7ec8f581899 100644
--- a/llvm/utils/gn/secondary/llvm/lib/CodeGen/AsmPrinter/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/CodeGen/AsmPrinter/BUILD.gn
@@ -15,6 +15,7 @@ static_library("AsmPrinter") {
     "//llvm/lib/Target",
   ]
   sources = [
+    "AIXException.cpp",
     "ARMException.cpp",
     "AccelTable.cpp",
     "AddressPool.cpp",