message: Do not use default arguments of DataLayout::getPointer*. NFC
  Summary: There are "FIXME"s in include/llvm/IR/DataLayout.h to remove the default arguments.
  Reviewers: zturner, clayborg
  Subscribers: bjope
diff: @@ -385,11 +385,6 @@ public:
  return ret;
  }
  - lldb::addr_t MallocPointer() {
  - return Malloc(m_target_data.getPointerSize(),
  - m_target_data.getPointerPrefAlignment());
  - }
  -
  lldb::addr_t Malloc(llvm::Type *type) {
  lldb_private::Status alloc_error;
  