[DWARF parser] DWARFUnit ctor doesn't need both parsed and raw .debug_abbrev section. Remove the former.

llvm-svn: 207153
diff --git a/llvm/lib/DebugInfo/DWARFCompileUnit.h b/llvm/lib/DebugInfo/DWARFCompileUnit.h
index d1853d8..2ed188e 100644
--- a/llvm/lib/DebugInfo/DWARFCompileUnit.h
+++ b/llvm/lib/DebugInfo/DWARFCompileUnit.h
@@ -16,10 +16,10 @@
 
 class DWARFCompileUnit : public DWARFUnit {
 public:
-  DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef AS,
-                   StringRef RS, StringRef SS, StringRef SOS, StringRef AOS,
+  DWARFCompileUnit(const DWARFDebugAbbrev *DA, StringRef IS, StringRef RS,
+                   StringRef SS, StringRef SOS, StringRef AOS,
                    const RelocAddrMap *M, bool LE)
-      : DWARFUnit(DA, IS, AS, RS, SS, SOS, AOS, M, LE) {}
+      : DWARFUnit(DA, IS, RS, SS, SOS, AOS, M, LE) {}
   void dump(raw_ostream &OS);
   // VTable anchor.
   ~DWARFCompileUnit() override;