Remove usages of deprecated std::unary_function and std::binary_function.

These are removed in C++17. We still have some users of
unary_function::argument_type, so just spell that typedef out. No
functionality change intended.

Note that many of the argument types are actually wrong :)

llvm-svn: 313287

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 83324f869fb..53ef28e473a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1575,7 +1575,7 @@ void ScheduleDAGRRList::ListScheduleBottomUp() {
 namespace {
 class RegReductionPQBase;
 
-struct queue_sort : public std::binary_function<SUnit*, SUnit*, bool> {
+struct queue_sort {
   bool isReady(SUnit* SU, unsigned CurCycle) const { return true; }
 };