Fix accidental pass-by-value

Change-Id: I245111eabb43368875c1215ca4f3a1f1918492fe

2 files changed, 2 insertions, 2 deletions

diff --git a/compiler/optimizing/register_allocation_resolver.cc b/compiler/optimizing/register_allocation_resolver.cc
index 8f5a2a8a76..34502869e4 100644
--- a/compiler/optimizing/register_allocation_resolver.cc
+++ b/compiler/optimizing/register_allocation_resolver.cc
@@ -36,7 +36,7 @@ void RegisterAllocationResolver::Resolve(size_t max_safepoint_live_core_regs,
                                          size_t float_spill_slots,
                                          size_t double_spill_slots,
                                          size_t catch_phi_spill_slots,
-                                         const ArenaVector<LiveInterval*> temp_intervals) {
+                                         const ArenaVector<LiveInterval*>& temp_intervals) {
   size_t spill_slots = int_spill_slots
                      + long_spill_slots
                      + float_spill_slots
diff --git a/compiler/optimizing/register_allocation_resolver.h b/compiler/optimizing/register_allocation_resolver.h
index 16a8a87c57..6ceb9bc955 100644
--- a/compiler/optimizing/register_allocation_resolver.h
+++ b/compiler/optimizing/register_allocation_resolver.h
@@ -51,7 +51,7 @@ class RegisterAllocationResolver : ValueObject {
                size_t float_spill_slots,
                size_t double_spill_slots,
                size_t catch_phi_spill_slots,
-               const ArenaVector<LiveInterval*> temp_intervals);
+               const ArenaVector<LiveInterval*>& temp_intervals);
 
  private:
   // Connect adjacent siblings within blocks, and resolve inputs along the way.