Try to resolve symbol differences early, and if successful create a plain
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120767 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index d98c9ef..f18c420 100644
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -484,10 +484,7 @@
     const MCSection *DwarfLineSection =
       getContext().getELFSection(".debug_line", 0, 0,
                                  SectionKind::getDataRelLocal());
-    MCSectionData &DLS =
-      getAssembler().getOrCreateSectionData(*DwarfLineSection);
-    int PointerSize = getAssembler().getBackend().getPointerSize();
-    MCDwarfFileTable::Emit(this, DwarfLineSection, &DLS, PointerSize);
+    MCDwarfFileTable::Emit(this, DwarfLineSection);
   }
 
   for (std::vector<LocalCommon>::const_iterator i = LocalCommons.begin(),