Index: llvm/lib/Object/WindowsResource.cpp
===================================================================
--- llvm/lib/Object/WindowsResource.cpp
+++ llvm/lib/Object/WindowsResource.cpp
@@ -692,10 +692,8 @@
   // Now write the directory string table for .rsrc$01
   uint32_t TotalStringTableSize = 0;
   for (auto String : StringTable) {
-    auto *LengthField =
-        reinterpret_cast<uint16_t *>(BufferStart + CurrentOffset);
     uint16_t Length = String.size();
-    *LengthField = Length;
+    support::endian::write16le(BufferStart + CurrentOffset, Length);
     CurrentOffset += sizeof(uint16_t);
     auto *Start = reinterpret_cast<UTF16 *>(BufferStart + CurrentOffset);
     std::copy(String.begin(), String.end(), Start);