Set ordinals correctly.

This actually doesn't change behavior with the current LinkerInvocation, but
it's needed when you make reading parallel.

llvm-svn: 177554
diff --git a/lld/lib/ReaderWriter/ELF/DynamicFile.h b/lld/lib/ReaderWriter/ELF/DynamicFile.h
index 8255c81..2e9a938 100644
--- a/lld/lib/ReaderWriter/ELF/DynamicFile.h
+++ b/lld/lib/ReaderWriter/ELF/DynamicFile.h
@@ -26,10 +26,6 @@
       const ELFTargetInfo &ti, std::unique_ptr<llvm::MemoryBuffer> mb) {
     std::unique_ptr<DynamicFile> file(
         new DynamicFile(ti, mb->getBufferIdentifier()));
-
-    static uint32_t lastOrdinal = 0;
-    file->_ordinal = lastOrdinal++;
-
     llvm::OwningPtr<llvm::object::Binary> binaryFile;
     if (error_code ec = createBinary(mb.release(), binaryFile))
       return ec;
diff --git a/lld/lib/ReaderWriter/ELF/File.h b/lld/lib/ReaderWriter/ELF/File.h
index ff95a37..bcfece7 100644
--- a/lld/lib/ReaderWriter/ELF/File.h
+++ b/lld/lib/ReaderWriter/ELF/File.h
@@ -123,9 +123,6 @@
   ELFFile(const ELFTargetInfo &ti, std::unique_ptr<llvm::MemoryBuffer> MB,
           llvm::error_code &EC)
       : File(MB->getBufferIdentifier()), _elfTargetInfo(ti) {
-    static uint32_t lastOrdinal = 0;
-    _ordinal = lastOrdinal++;
-
     llvm::OwningPtr<llvm::object::Binary> binaryFile;
     EC = createBinary(MB.release(), binaryFile);
     if (EC)
diff --git a/lld/lib/ReaderWriter/ReaderArchive.cpp b/lld/lib/ReaderWriter/ReaderArchive.cpp
index c31b955..370348b 100644
--- a/lld/lib/ReaderWriter/ReaderArchive.cpp
+++ b/lld/lib/ReaderWriter/ReaderArchive.cpp
@@ -52,7 +52,7 @@
 
     assert(result.size() == 1);
 
-    // TO DO: set ordinal of child just loaded
+    result[0]->setOrdinalAndIncrement(_curChildOrd);
 
     // give up the pointer so that this object no longer manages it
     return result[0].release();
@@ -60,6 +60,7 @@
 
   virtual void setOrdinalAndIncrement(uint64_t &ordinal) const {
     _ordinal = ordinal++;
+    _curChildOrd = _ordinal;
     // Leave space in ordinal range for all children
     for (auto mf = _archive->begin_children(),
               me = _archive->end_children(); mf != me; ++mf) {
@@ -126,6 +127,7 @@
   atom_collection_vector<UndefinedAtom>     _undefinedAtoms;
   atom_collection_vector<SharedLibraryAtom> _sharedLibraryAtoms;
   atom_collection_vector<AbsoluteAtom>      _absoluteAtoms;
+  mutable uint64_t _curChildOrd;
 
 public:
   /// only subclasses of ArchiveLibraryFile can be instantiated