Write out global initializers and data rel directly to ELF file.

src/IceTargetLoweringX8632.h

Index: src/IceTargetLoweringX8632.h
diff --git a/src/IceTargetLoweringX8632.h b/src/IceTargetLoweringX8632.h
index 1ee3c1d9997a9edf177e5cb2385b1c030a7234c2..8d465d0ba72ea364fd27e53885bf40ae044de5fe 100644
--- a/src/IceTargetLoweringX8632.h
+++ b/src/IceTargetLoweringX8632.h
@@ -498,8 +498,9 @@ public:
     return new TargetGlobalX8632(Ctx);
   }
 
-  virtual void lowerInit(const VariableDeclaration &Var) const final;
-  virtual void lowerConstants(GlobalContext *Ctx) const final;
+  void lowerInit(const VariableDeclaration &Var) const final;
+  void lowerInitELF(const VariableDeclarationList &Vars) const final;
+  void lowerConstants(GlobalContext *Ctx) const final;
 
 protected:
   TargetGlobalX8632(GlobalContext *Ctx);