Remove the IC data array from the isolate.

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
diff --git a/runtime/vm/intermediate_language.cc b/runtime/vm/intermediate_language.cc
index 052b3c73ca60b1d2c9839fa99845d881194b09f4..ed56e356a6d7ea6c6c299ec5ad41eb56ced3aeb0 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -42,6 +42,17 @@ Definition::Definition()
 }
 
 
+ICData* Instruction::GetICData(const Array& ic_data_array) const {
+  ICData& ic_data = ICData::ZoneHandle();
+  // The deopt_id can be outside the range of the IC data array for
+  // computations added in the optimizing compiler.
+  if (!ic_data_array.IsNull() && (deopt_id_ < ic_data_array.Length())) {
+    ic_data ^= ic_data_array.At(deopt_id_);
+  }
+  return &ic_data;
+}
+
+
 intptr_t Instruction::Hashcode() const {
   intptr_t result = tag();
   for (intptr_t i = 0; i < InputCount(); ++i) {