COFF: Combine add{Object,Archive,Bitcode,Import} functions. NFC.

llvm-svn: 240229
diff --git a/lld/COFF/InputFiles.cpp b/lld/COFF/InputFiles.cpp
index df57da0..d9cdd2f 100644
--- a/lld/COFF/InputFiles.cpp
+++ b/lld/COFF/InputFiles.cpp
@@ -129,7 +129,7 @@
     if (Name == ".drectve") {
       ArrayRef<uint8_t> Data;
       COFFObj->getSectionContents(Sec, Data);
-      Directives = StringRef((const char *)Data.data(), Data.size()).trim();
+      Directives = std::string((const char *)Data.data(), Data.size());
       continue;
     }
     if (Name.startswith(".debug"))