cleanup to remove warnings

Author: david-salinas

llvm/include/llvm/Object/OffloadBundle.h

@@ -188,8 +188,8 @@ LLVM_ABI Error extractOffloadBundleFatBinary(
 
 /// Extract code object memory from the given \p Source object file at \p Offset
 /// and of \p Size, and copy into \p OutputFileName.
-LLVM_ABI Error extractCodeObject(const ObjectFile &Source, int64_t Offset,
-                                 int64_t Size, StringRef OutputFileName);
+LLVM_ABI Error extractCodeObject(const ObjectFile &Source, size_t Offset,
+                                 size_t Size, StringRef OutputFileName);
 
 /// Extracts an Offload Bundle Entry given by URI
 LLVM_ABI Error extractOffloadBundleByURI(StringRef URIstr);

llvm/lib/Object/OffloadBundle.cpp

@@ -199,8 +199,8 @@ Error object::extractOffloadBundleFatBinary(
   return Error::success();
 }
 
-Error object::extractCodeObject(const ObjectFile &Source, int64_t Offset,
-                                int64_t Size, StringRef OutputFileName) {
+Error object::extractCodeObject(const ObjectFile &Source, size_t Offset,
+                                size_t Size, StringRef OutputFileName) {
   Expected<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
       FileOutputBuffer::create(OutputFileName, Size);
 
@@ -254,7 +254,7 @@ Error object::extractOffloadBundleByURI(StringRef URIstr) {
   auto Obj = ObjOrErr->getBinary();
   if (Error Err =
           object::extractCodeObject(*Obj, Uri.Offset, Uri.Size, OutputFile))
-    return std::move(Err);
+    return Err;
 
   return Error::success();
 }