remove a dead variable, PR6856


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101648 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ELFWriterInfo.cpp b/lib/Target/X86/X86ELFWriterInfo.cpp
index 1597d2b..f84995d 100644
--- a/lib/Target/X86/X86ELFWriterInfo.cpp
+++ b/lib/Target/X86/X86ELFWriterInfo.cpp
@@ -26,7 +26,6 @@
 
 X86ELFWriterInfo::X86ELFWriterInfo(TargetMachine &TM)
   : TargetELFWriterInfo(TM) {
-    bool is64Bit = TM.getTargetData()->getPointerSizeInBits() == 64;
     EMachine = is64Bit ? EM_X86_64 : EM_386;
   }