Don't bother trying to reuse object pool entries for ICs, type test caches, or edge counters as the…

runtime/vm/assembler_x64.cc

Index: runtime/vm/assembler_x64.cc
diff --git a/runtime/vm/assembler_x64.cc b/runtime/vm/assembler_x64.cc
index 913020a676565fb803d8d6713fe26505688ca73b..66b36d0acc8d951281f2352455e6baf4ad27d34f 100644
--- a/runtime/vm/assembler_x64.cc
+++ b/runtime/vm/assembler_x64.cc
@@ -2834,10 +2834,14 @@ void Assembler::LoadIsolate(Register dst) {
 }
 
 
-void Assembler::LoadObject(Register dst, const Object& object, Register pp) {
+void Assembler::LoadObjectHelper(Register dst,
+                                 const Object& object,
+                                 Register pp,
+                                 bool is_unique) {
   if (CanLoadFromObjectPool(object)) {
-    const int32_t offset =
-        ObjectPool::element_offset(object_pool_wrapper_.FindObject(object));
+    const int32_t offset = ObjectPool::element_offset(
+        is_unique ? object_pool_wrapper_.AddObject(object)
+                  : object_pool_wrapper_.FindObject(object));
     LoadWordFromPoolOffset(dst, pp, offset - kHeapObjectTag);
   } else {
     ASSERT((Isolate::Current() == Dart::vm_isolate()) ||
@@ -2848,6 +2852,18 @@ void Assembler::LoadObject(Register dst, const Object& object, Register pp) {
 }
 
 
+void Assembler::LoadObject(Register dst, const Object& object, Register pp) {
+  LoadObjectHelper(dst, object, pp, false);
+}
+
+
+void Assembler::LoadUniqueObject(Register dst,
+                                 const Object& object,
+                                 Register pp) {
+  LoadObjectHelper(dst, object, pp, true);
+}
+
+
 void Assembler::StoreObject(const Address& dst, const Object& object,
                             Register pp) {
   if (CanLoadFromObjectPool(object)) {