[ELF] Avoid unnecessary global variable.

Summary: It looks like this snuck through in r256143/D15383.

Reviewers: ruiu, grimar

Differential Revision: http://reviews.llvm.org/D16500

llvm-svn: 258599

lld/ELF/OutputSections.cpp

@@ -23,8 +23,6 @@ using namespace llvm::ELF;
 using namespace lld;
 using namespace lld::elf2;
 
-bool elf2::HasGotOffRel = false;
-
 template <class ELFT>
 OutputSectionBase<ELFT>::OutputSectionBase(StringRef Name, uint32_t Type,
                                            uintX_t Flags)

lld/ELF/OutputSections.h

@@ -36,10 +36,6 @@ template <class ELFT> class OutputSection;
 template <class ELFT> class ObjectFile;
 template <class ELFT> class DefinedRegular;
 
-// Flag to force GOT to be in output if we have relocations
-// that relies on its address.
-extern bool HasGotOffRel;
-
 template <class ELFT>
 static inline typename llvm::object::ELFFile<ELFT>::uintX_t
 getAddend(const typename llvm::object::ELFFile<ELFT>::Elf_Rel &Rel) {

lld/ELF/Writer.cpp

@@ -95,6 +95,10 @@ private:
   uintX_t SectionHeaderOff;
 
   llvm::StringMap<llvm::StringRef> InputToOutputSection;
+
+  // Flag to force GOT to be in output if we have relocations
+  // that relies on its address.
+  bool HasGotOffRel = false;
 };
 } // anonymous namespace