Allow dispatch to use a range of Class-ids in tests

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 0046c038270c00aab22e7a4178a1c9e1460ee897..a881c809d07bbb11b1894c10ff769164d0cefd6b 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -3165,7 +3165,7 @@ void PolymorphicInstanceCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->EmitPolymorphicInstanceCall(
       ic_data(), instance_call()->ArgumentCount(),
       instance_call()->argument_names(), deopt_id(),
-      instance_call()->token_pos(), locs(), complete());
+      instance_call()->token_pos(), locs(), complete(), total_ic_count());
 }
 #endif
 
@@ -3236,6 +3236,16 @@ Definition* PolymorphicInstanceCallInstr::Canonicalize(FlowGraph* flow_graph) {
 }
 
 
+void PolymorphicInstanceCallInstr::InitializeIcCount() {
+  const intptr_t num_checks = ic_data().NumberOfChecks();
+  intptr_t total = 0;
+  for (intptr_t i = 0; i < num_checks; i++) {
+    total += ic_data().GetCountAt(i);
+  }
+  total_ic_count_ = total;
+}
+
+
 Definition* StaticCallInstr::Canonicalize(FlowGraph* flow_graph) {
   if (!FLAG_precompiled_mode) {
     return this;