Fixed crash in EqualityCompareInstr::IsCheckedStrictEqual : update unary_ic_data_ if ic_data_ is se…

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 2828 matching lines @@
   }
 
   DECLARE_INSTRUCTION(EqualityCompare)
   virtual CompileType ComputeType() const;
   virtual bool RecomputeType();
 
   const ICData* ic_data() const { return ic_data_; }
   bool HasICData() const {
     return (ic_data() != NULL) && !ic_data()->IsNull();
   }
-  void set_ic_data(const ICData* value) { ic_data_ = value; }
+  void set_ic_data(const ICData* value) {
+    ic_data_ = value;
+    if (HasICData()) {
+      unary_ic_data_ = &ICData::ZoneHandle(ic_data_->AsUnaryClassChecks());
+    }
+  }
 
   // Receiver class id is computed from collected ICData.
   void set_receiver_class_id(intptr_t value) { receiver_class_id_ = value; }
   intptr_t receiver_class_id() const { return receiver_class_id_; }
 
   bool IsInlinedNumericComparison() const {
     return (receiver_class_id() == kDoubleCid)
         || (receiver_class_id() == kMintCid)
         || (receiver_class_id() == kSmiCid);
   }
@@ skipping 3607 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_