Use reference to iterate through string table instead of copying.

Summary: just a quick patch

Subscribers: ruiu, llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D34171

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305324 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Object/WindowsResource.cpp b/lib/Object/WindowsResource.cpp
index a1a0d96acbc0f5ca30dcf313b4217105d5852c91..3f6080d48f9d1ee3f55a7378a48921b9742cecdb 100644 (file)
--- a/lib/Object/WindowsResource.cpp
+++ b/lib/Object/WindowsResource.cpp
@@ -690,7 +690,7 @@ void WindowsResourceCOFFWriter::writeDirectoryTree() {
 void WindowsResourceCOFFWriter::writeDirectoryStringTable() {
   // Now write the directory string table for .rsrc$01
   uint32_t TotalStringTableSize = 0;
-  for (auto String : StringTable) {
+  for (auto &String : StringTable) {
     uint16_t Length = String.size();
     support::endian::write16le(BufferStart + CurrentOffset, Length);
     CurrentOffset += sizeof(uint16_t);