[CodeGen] Use llvm::lower_bound (NFC) (#140341)

Author: kazutakahirata

llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp

@@ -386,8 +386,8 @@ class TransferTracker {
       // for it. Use an empty ValueLocPair to search for an entry in ValueToLoc.
       const ValueIDNum &Num = Op.ID;
       ValueLocPair Probe(Num, LocationAndQuality());
-      auto ValuesPreferredLoc = std::lower_bound(
-          ValueToLoc.begin(), ValueToLoc.end(), Probe, ValueToLocSort);
+      auto ValuesPreferredLoc =
+          llvm::lower_bound(ValueToLoc, Probe, ValueToLocSort);
 
       // There must be a legitimate entry found for Num.
       assert(ValuesPreferredLoc != ValueToLoc.end() &&