Remove all uses of llvm::function_ref from LLD.

llvm-svn: 213313

diff --git a/lld/lib/Core/InputGraph.cpp b/lld/lib/Core/InputGraph.cpp
index d086eb6..9a76e93 100644 (file)
--- a/lld/lib/Core/InputGraph.cpp
+++ b/lld/lib/Core/InputGraph.cpp
@@ -23,7 +23,7 @@ ErrorOr<File &> InputGraph::getNextFile() {
     if (_currentInputElement) {
       ErrorOr<File &> next = _currentInputElement->getNextFile();
       if (next.getError() != InputGraphError::no_more_files) {
-        for (llvm::function_ref<void(File *)> observer : _observers)
+        for (const std::function<void(File *)> &observer : _observers)
           observer(&next.get());
         return std::move(next);
       }