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/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index 71bd407..1ee2d48 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -357,10 +357,7 @@
                                          "__debug_line",
                                          MCSectionMachO::S_ATTR_DEBUG,
                                          0, SectionKind::getDataRelLocal());
-    MCSectionData &DLS =
-      getAssembler().getOrCreateSectionData(*DwarfLineSection);
-    int PointerSize = getAssembler().getBackend().getPointerSize();
-    MCDwarfFileTable::Emit(this, DwarfLineSection, &DLS, PointerSize);
+    MCDwarfFileTable::Emit(this, DwarfLineSection);
   }
 
   // We have to set the fragment atom associations so we can relax properly for