[gn build] Port f7a32b85b56b
diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn
index f0db790..4182b49 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/SystemZ/MCTargetDesc/BUILD.gn
@@ -64,6 +64,7 @@
     "SystemZELFObjectWriter.cpp",
     "SystemZGNUInstPrinter.cpp",
     "SystemZGOFFObjectWriter.cpp",
+    "SystemZHLASMAsmStreamer.cpp",
     "SystemZHLASMInstPrinter.cpp",
     "SystemZInstPrinterCommon.cpp",
     "SystemZMCAsmBackend.cpp",
@@ -71,5 +72,6 @@
     "SystemZMCCodeEmitter.cpp",
     "SystemZMCExpr.cpp",
     "SystemZMCTargetDesc.cpp",
+    "SystemZTargetStreamer.cpp",
   ]
 }