[WIP] JSForInLowering and JSForInHasOwnProperty.

src/compiler/verifier.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/verifier.h"
 
 #include <algorithm>
 #include <deque>
 #include <queue>
 #include <sstream>
@@ skipping 708 matching lines @@
     case IrOpcode::kJSCallRuntime:
       // Type can be anything.
       CheckTypeIs(node, Type::Any());
       break;
 
     case IrOpcode::kJSForInPrepare: {
       // TODO(bmeurer): What are the constraints on thse?
       CheckTypeIs(node, Type::Any());
       break;
     }
+    case IrOpcode::kJSForInLoadProperty: {
+      CheckTypeIs(node, Type::NonInternal());
+      break;
+    }
+    case IrOpcode::kJSForInHasOwnProperty: {
+      CheckTypeIs(node, Type::Boolean());
+      break;
+    }
     case IrOpcode::kJSForInNext: {
       CheckTypeIs(node, Type::Union(Type::Name(), Type::Undefined(), zone));
       break;
     }
 
     case IrOpcode::kJSLoadMessage:
     case IrOpcode::kJSStoreMessage:
       break;
 
     case IrOpcode::kJSLoadModule:
@@ skipping 462 matching lines @@
       break;
     case IrOpcode::kCheckTaggedHole:
       CheckValueInputIs(node, 0, Type::Any());
       CheckTypeIs(node, Type::NonInternal());
       break;
     case IrOpcode::kConvertTaggedHoleToUndefined:
       CheckValueInputIs(node, 0, Type::Any());
       CheckTypeIs(node, Type::NonInternal());
       break;
 
+    case IrOpcode::kLoadFieldByIndex:
+      // (Any, Signed32) -> NonInternal
+      CheckValueInputIs(node, 0, Type::Any());
+      CheckValueInputIs(node, 1, Type::Signed32());
+      CheckTypeIs(node, Type::NonInternal());
+      break;
     case IrOpcode::kLoadField:
       // Object -> fieldtype
       // TODO(rossberg): activate once machine ops are typed.
       // CheckValueInputIs(node, 0, Type::Object());
       // CheckTypeIs(node, FieldAccessOf(node->op()).type));
       break;
     case IrOpcode::kLoadBuffer:
       break;
     case IrOpcode::kLoadElement:
       // Object -> elementtype
@@ skipping 527 matching lines @@
          replacement->op()->EffectOutputCount() > 0);
   DCHECK(!NodeProperties::IsFrameStateEdge(edge) ||
          replacement->opcode() == IrOpcode::kFrameState);
 }
 
 #endif  // DEBUG
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8