[turbofan] Add support for storing to double fields.

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 395 matching lines @@
       CHECK_EQ(effect_count, control->op()->ControlInputCount());
       CHECK_EQ(input_count, 1 + effect_count);
       break;
     }
     case IrOpcode::kEffectSet: {
       CHECK_EQ(0, value_count);
       CHECK_EQ(0, control_count);
       CHECK_LT(1, effect_count);
       break;
     }
+    case IrOpcode::kGuard:
+      // TODO(bmeurer): what are the constraints on these?
+      break;
     case IrOpcode::kBeginRegion:
       // TODO(rossberg): what are the constraints on these?
       break;
     case IrOpcode::kFinishRegion: {
       // TODO(rossberg): what are the constraints on these?
       // Type must be subsumed by input type.
       if (typing == TYPED) {
         Node* val = NodeProperties::GetValueInput(node, 0);
         CHECK(NodeProperties::GetType(val)->Is(NodeProperties::GetType(node)));
       }
@@ skipping 253 matching lines @@
       CheckValueInputIs(node, 0, Type::String());
       CheckValueInputIs(node, 1, Type::String());
       CheckUpperIs(node, Type::Boolean());
       break;
     case IrOpcode::kReferenceEqual: {
       // (Unique, Any) -> Boolean  and
       // (Any, Unique) -> Boolean
       CheckUpperIs(node, Type::Boolean());
       break;
     }
+    case IrOpcode::kObjectIsNumber:
     case IrOpcode::kObjectIsSmi:
       CheckValueInputIs(node, 0, Type::Any());
       CheckUpperIs(node, Type::Boolean());
       break;
     case IrOpcode::kAllocate:
       CheckValueInputIs(node, 0, Type::PlainNumber());
       CheckUpperIs(node, Type::TaggedPointer());
       break;
 
     case IrOpcode::kChangeTaggedToInt32: {
@@ skipping 520 matching lines @@
          replacement->op()->EffectOutputCount() > 0);
   DCHECK(!NodeProperties::IsFrameStateEdge(edge) ||
          replacement->opcode() == IrOpcode::kFrameState);
 }
 
 #endif  // DEBUG
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8