Add support for the --noexecstack option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 2e4bcde..8de20a3 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -43,7 +43,8 @@
                                     MCContext &Ctx, TargetAsmBackend &TAB,
                                     raw_ostream &_OS,
                                     MCCodeEmitter *_Emitter,
-                                    bool RelaxAll) {
+                                    bool RelaxAll,
+                                    bool NoExecStack) {
   Triple TheTriple(TT);
   switch (TheTriple.getOS()) {
   case Triple::Darwin:
@@ -54,7 +55,7 @@
   case Triple::Win32:
     return createWinCOFFStreamer(Ctx, TAB, *_Emitter, _OS, RelaxAll);
   default:
-    return createELFStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll);
+    return createELFStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll, NoExecStack);
   }
 }