[llvm-readobj] Fix 'Teach readobj to dump .res files', pt 2.

Another fix-up for r313790. Big-endian hosts swapped byte order in
UTF16 words.

llvm-svn: 313833

1 files changed, 5 insertions, 2 deletions

diff --git a/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp b/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp
index d1d415d0916..bbe573d9528 100644
--- a/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp
+++ b/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp
@@ -26,8 +26,11 @@ std::string stripUTF16(const ArrayRef<UTF16> &UTF16Str) {
   Result.reserve(UTF16Str.size());
 
   for (UTF16 Ch : UTF16Str) {
-    if (Ch <= 0xFF)
-      Result += Ch;
+    // UTF16Str will have swapped byte order in case of big-endian machines.
+    // Swap it back in such a case.
+    ulittle16_t ChValue = Ch;
+    if (ChValue <= 0xFF)
+      Result += ChValue;
     else
       Result += '?';
   }