LLVM: Add ELF Note section to NaCl object files identifying them as such to gold

lib/Target/X86/X86AsmPrinter.cpp

Index: lib/Target/X86/X86AsmPrinter.cpp
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 2eb75b558bf3e724b3cc2e242405b7c330b6f702..032d83aac07628af572aff5dc1e50ee04ddc5371 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -31,6 +31,7 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCNaCl.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
@@ -547,6 +548,11 @@ bool X86AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
 void X86AsmPrinter::EmitStartOfAsmFile(Module &M) {
   if (Subtarget->isTargetEnvMacho())
     OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
+  // @LOCALMOD-BEGIN
+  if (Subtarget->isTargetNaCl())
+    initializeNaClMCStreamer(OutStreamer, OutContext,
+                             Subtarget->getTargetTriple());
+  // @LOCALMOD-END
 }