create an MCStreamer and provide it to AsmParser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74039 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 52205c4..fe8af10 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -12,6 +12,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/ADT/OwningPtr.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
@@ -136,7 +139,10 @@
   // it later.
   SrcMgr.setIncludeDirs(IncludeDirs);
   
-  AsmParser Parser(SrcMgr);
+  // FIXME: don't leak streamer, own.
+  MCContext Ctx;
+  OwningPtr<MCStreamer> Str(createAsmStreamer(Ctx, outs()));
+  AsmParser Parser(SrcMgr, *Str.get());
   return Parser.Run();
 }