Fix precompile build issue with IsString change.

runtime/vm/raw_object.h

 // Copyright (c) 2012, 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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/atomic.h"
 #include "vm/globals.h"
@@ skipping 415 matching lines @@
     uword tags = ptr()->tags_;
     ptr()->tags_ = RememberedBit::update(false, tags);
   }
   // Returns false if the bit was already set.
   // TODO(koda): Add "must use result" annotation here, after we add support.
   bool TryAcquireRememberedBit() {
     return TryAcquireTagBit<RememberedBit>();
   }
 
 #define DEFINE_IS_CID(clazz)                                                   \
-  bool Is##clazz() { return ((GetClassId() == k##clazz##Cid)); }
+  bool Is##clazz() const { return ((GetClassId() == k##clazz##Cid)); }
 CLASS_LIST(DEFINE_IS_CID)
 #undef DEFINE_IS_CID
 
 #define DEFINE_IS_CID(clazz)                                                   \
-  bool IsTypedData##clazz() {                                                  \
+  bool IsTypedData##clazz() const {                                            \
     return ((GetClassId() == kTypedData##clazz##Cid));                         \
   }                                                                            \
-  bool IsTypedDataView##clazz() {                                              \
-    return ((GetClassId() == kTypedDataView##clazz##Cid));                     \
+  bool IsTypedDataView##clazz() const {                                        \

[rmacnak, 2016/05/05 18:15:15]

IsTypedData##clazz##View then?

+    return ((GetClassId() == kTypedData##clazz##ViewCid));                     \
   }                                                                            \
-  bool IsExternalTypedData##clazz() {                                          \
+  bool IsExternalTypedData##clazz() const {                                    \
     return ((GetClassId() == kExternalTypedData##clazz##Cid));                 \
-  }                                                                            \
+  }
 CLASS_LIST_TYPED_DATA(DEFINE_IS_CID)
 #undef DEFINE_IS_CID
 
-  bool IsDartInstance() {
+  bool IsStringInstance() const {
+    return IsStringClassId(GetClassId());
+  }
+  bool IsDartInstance() const {
     return (!IsHeapObject() || (GetClassId() >= kInstanceCid));
   }
-  bool IsFreeListElement() {
+  bool IsFreeListElement() const {
     return ((GetClassId() == kFreeListElement));
   }
 
   intptr_t Size() const {
     uword tags = ptr()->tags_;
     intptr_t result = SizeTag::decode(tags);
     if (result != 0) {
       ASSERT(result == SizeFromClass());
       return result;
     }
@@ skipping 1961 matching lines @@
   COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid ==
                  kTypedDataInt8ArrayViewCid + 15);
   COMPILE_ASSERT(kByteBufferCid == kExternalTypedDataInt8ArrayCid + 14);
   COMPILE_ASSERT(kNullCid == kByteBufferCid + 1);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_