Implement is32 LoadIndexed.

runtime/vm/flow_graph_compiler.cc

Index: runtime/vm/flow_graph_compiler.cc
===================================================================
--- runtime/vm/flow_graph_compiler.cc	(revision 8552)
+++ runtime/vm/flow_graph_compiler.cc	(working copy)
@@ -364,4 +364,28 @@
   assembler()->Comment("@%d: %s", instr->cid(), buffer);
 }
 
+
+void FlowGraphCompiler::EmitLoadIndexedGeneric(LoadIndexedComp* comp) {
+  const String& function_name =
+      String::ZoneHandle(String::NewSymbol(Token::Str(Token::kINDEX)));
+
+  AddCurrentDescriptor(PcDescriptors::kDeopt,
+                       comp->cid(),
+                       comp->token_index(),
+                       comp->try_index());
+
+  const intptr_t kNumArguments = 2;
+  const intptr_t kNumArgsChecked = 1;  // Type-feedback.
+  GenerateInstanceCall(comp->cid(),
+                       comp->token_index(),
+                       comp->try_index(),
+                       function_name,
+                       kNumArguments,
+                       Array::ZoneHandle(),  // No optional arguments.
+                       kNumArgsChecked);
+}
+
+
+
+
 }  // namespace dart