Fix potential problem with mismatch between ICData inloine cache miss handler in optimizing compile…

runtime/vm/opt_code_generator_ia32.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/opt_code_generator.h"
 
 #include "vm/assembler_macros.h"
@@ skipping 2666 matching lines @@
 // in optimized code and mark them for reoptimization since type feedback was
 // collected in the meantime.
 void OptimizingCodeGenerator::GenerateInlineCacheCall(
     intptr_t node_id,
     intptr_t token_index,
     const ICData& ic_data,
     intptr_t num_args,
     const Array& optional_arguments_names) {
   __ LoadObject(ECX, ic_data);
   __ LoadObject(EDX, ArgumentsDescriptor(num_args, optional_arguments_names));
-  ExternalLabel target_label(
-      "InlineCache", StubCode::OneArgCheckInlineCacheEntryPoint());
+
+  uword label_address = 0;
+  switch (ic_data.num_args_tested()) {
+    case 1:
+      label_address = StubCode::OneArgCheckInlineCacheEntryPoint();
+      break;
+    case 2:
+      label_address = StubCode::TwoArgsCheckInlineCacheEntryPoint();
+      break;
+    default:
+      UNIMPLEMENTED();
+  }
+
+  ExternalLabel target_label("InlineCache", label_address);
 
   __ call(&target_label);
   AddCurrentDescriptor(PcDescriptors::kIcCall,
                        node_id,
                        token_index);
   __ addl(ESP, Immediate(num_args * kWordSize));
 }
 
 
 // Normalizes the ic_data class/target pairs:
@@ skipping 373 matching lines @@
     }
   }
   // TODO(srdjan): Implement unary kSUB (negate) Mint.
   CodeGenerator::VisitUnaryOpNode(node);
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32