Jim Asked us to move DataLayout on ARM back to the most specialized classes. Do
so and also change X86 for consistency.

Investigating if this can be improved a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115469 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMELFWriterInfo.cpp b/lib/Target/ARM/ARMELFWriterInfo.cpp
index 1183e7e..85b690f 100644
--- a/lib/Target/ARM/ARMELFWriterInfo.cpp
+++ b/lib/Target/ARM/ARMELFWriterInfo.cpp
@@ -25,7 +25,8 @@
 //===----------------------------------------------------------------------===//
 
 ARMELFWriterInfo::ARMELFWriterInfo(TargetMachine &TM)
-  : TargetELFWriterInfo(TM) {
+  : TargetELFWriterInfo(TM.getTargetData()->getPointerSizeInBits() == 64,
+                        TM.getTargetData()->isLittleEndian()) {
   // silently OK construction
 }