Replace std::iostreams with raw_ostream in TableGen.
 - Sorry, I can't help myself.

 - No intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74742 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterEmitter.h b/utils/TableGen/AsmWriterEmitter.h
index 302722d..75e6996 100644
--- a/utils/TableGen/AsmWriterEmitter.h
+++ b/utils/TableGen/AsmWriterEmitter.h
@@ -32,7 +32,7 @@
     AsmWriterEmitter(RecordKeeper &R) : Records(R) {}
 
     // run - Output the asmwriter, returning true on failure.
-    void run(std::ostream &o);
+    void run(raw_ostream &o);
 
 private:
     AsmWriterInst *getAsmWriterInstByID(unsigned ID) const {