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/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index ad7c528..212b450 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -35,7 +35,8 @@
                                     MCContext &Ctx, TargetAsmBackend &TAB,
                                     raw_ostream &OS,
                                     MCCodeEmitter *Emitter,
-                                    bool RelaxAll) {
+                                    bool RelaxAll,
+                                    bool NoExecStack) {
   switch (Triple(TT).getOS()) {
   case Triple::Darwin:
     return createMachOStreamer(Ctx, TAB, OS, Emitter, RelaxAll);