Directly print to a raw_ostream instead of printing to a buffer first.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133352 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 13cb81a..97e7dbd 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -354,10 +354,7 @@
       OS << char(dwarf::DW_LNS_const_add_pc);
     else {
       OS << char(dwarf::DW_LNS_advance_pc);
-      SmallString<32> Tmp;
-      raw_svector_ostream OSE(Tmp);
-      MCObjectWriter::EncodeULEB128(AddrDelta, OSE);
-      OS << OSE.str();
+      MCObjectWriter::EncodeULEB128(AddrDelta, OS);
     }
     OS << char(dwarf::DW_LNS_extended_op);
     OS << char(1);