[ELF] Pass callables by function_ref

No need to create a heavyweight std::function if it's not stored. No
functionality change intended.

llvm-svn: 334885

1 files changed, 2 insertions, 2 deletions

diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 31e1d196db4..8253b18b486 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -139,7 +139,7 @@ void OutputSection::addSection(InputSection *IS) {
 }
 
 static void sortByOrder(MutableArrayRef<InputSection *> In,
-                        std::function<int(InputSectionBase *S)> Order) {
+                        llvm::function_ref<int(InputSectionBase *S)> Order) {
   typedef std::pair<int, InputSection *> Pair;
   auto Comp = [](const Pair &A, const Pair &B) { return A.first < B.first; };
 
@@ -162,7 +162,7 @@ bool OutputSection::classof(const BaseCommand *C) {
   return C->Kind == OutputSectionKind;
 }
 
-void OutputSection::sort(std::function<int(InputSectionBase *S)> Order) {
+void OutputSection::sort(llvm::function_ref<int(InputSectionBase *S)> Order) {
   assert(Live);
   for (BaseCommand *B : SectionCommands)
     if (auto *ISD = dyn_cast<InputSectionDescription>(B))