Fixed verson of r120245.
Factor some duplicated code into MCObjectStreamer::EmitLabel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120248 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/WinCOFFStreamer.cpp b/lib/MC/WinCOFFStreamer.cpp
index cba7188..b85fe91 100644
--- a/lib/MC/WinCOFFStreamer.cpp
+++ b/lib/MC/WinCOFFStreamer.cpp
@@ -176,25 +176,8 @@
 }
 
 void WinCOFFStreamer::EmitLabel(MCSymbol *Symbol) {
-  // TODO: This is copied almost exactly from the MachOStreamer. Consider
-  // merging into MCObjectStreamer?
   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
-  assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
-  assert(CurSection && "Cannot emit before setting section!");
-
-  Symbol->setSection(*CurSection);
-
-  MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
-
-  // FIXME: This is wasteful, we don't necessarily need to create a data
-  // fragment. Instead, we should mark the symbol as pointing into the data
-  // fragment if it exists, otherwise we should just queue the label and set its
-  // fragment pointer when we emit the next fragment.
-  MCDataFragment *DF = getOrCreateDataFragment();
-
-  assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
-  SD.setFragment(DF);
-  SD.setOffset(DF->getContents().size());
+  MCObjectStreamer::EmitLabel(Symbol);
 }
 
 void WinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {