Precompilation: Have instances calls load the entry point and Code object from the ic data array in…

runtime/vm/snapshot.cc

Index: runtime/vm/snapshot.cc
diff --git a/runtime/vm/snapshot.cc b/runtime/vm/snapshot.cc
index 294a90b7d4b41e1fb189881070d18fb40e1c4a1b..bf27ca602294f082d13220aab98e764b8e5fb465 100644
--- a/runtime/vm/snapshot.cc
+++ b/runtime/vm/snapshot.cc
@@ -627,6 +627,27 @@ RawApiError* SnapshotReader::ReadFullSnapshot() {
       }
     }
 
+    if (snapshot_code()) {
+      ICData& ic = ICData::Handle();

[srdjan, 2016/03/15 19:15:48]

Get zone (thread->zone()) and use it for handle creation

[rmacnak, 2016/03/16 18:21:32]

Done.

+      Object& funcOrCode = Object::Handle();
+      Code& code = Code::Handle();
+      Smi& entry_point = Smi::Handle();
+      for (intptr_t i = 0; i < backward_references_->length(); i++) {
+        if ((*backward_references_)[i].reference()->IsICData()) {
+          ic ^= (*backward_references_)[i].reference()->raw();
+          for (intptr_t j = 0; j < ic.NumberOfChecks(); j++) {
+            funcOrCode = ic.GetTargetOrCodeAt(j);
+            if (funcOrCode.IsCode()) {
+              code ^= funcOrCode.raw();
+              entry_point = reinterpret_cast<RawSmi*>(code.EntryPoint());
+              ic.SetEntryPointAt(j, entry_point);
+            }
+          }
+        }
+      }
+    }
+
+
     // Validate the class table.
 #if defined(DEBUG)
     isolate->ValidateClassTable();