MC: First cut at MCFixup, for getting fixup/relocation information out of an MCCodeEmitter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index 40a21ad..99a819f 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -366,9 +366,10 @@
   CurSectionData->setHasInstructions(true);
 
   // FIXME: Relocations!
+  SmallVector<MCFixup, 4> Fixups;
   SmallString<256> Code;
   raw_svector_ostream VecOS(Code);
-  Emitter->EncodeInstruction(Inst, VecOS);
+  Emitter->EncodeInstruction(Inst, VecOS, Fixups);
   EmitBytes(VecOS.str(), 0);
 }