Support Float64Arrays

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 7a1bed3560289912a1e7c22b2ad994348cbdffa5..d0c1551aae9ed88ea9090cc0337634a8ec410c42 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -103,6 +103,7 @@ inline Heap* _inline_get_heap_();
   V(Map, external_int_array_map, ExternalIntArrayMap)                          \
   V(Map, external_unsigned_int_array_map, ExternalUnsignedIntArrayMap)         \
   V(Map, external_float_array_map, ExternalFloatArrayMap)                      \
+  V(Map, external_double_array_map, ExternalDoubleArrayMap)                    \
   V(Map, context_map, ContextMap)                                              \
   V(Map, catch_context_map, CatchContextMap)                                   \
   V(Map, code_map, CodeMap)                                                    \
@@ -217,6 +218,7 @@ inline Heap* _inline_get_heap_();
   V(KeyedLoadExternalUnsignedIntArray_symbol,                            \
        "KeyedLoadExternalUnsignedIntArray")                              \
   V(KeyedLoadExternalFloatArray_symbol, "KeyedLoadExternalFloatArray")   \
+  V(KeyedLoadExternalDoubleArray_symbol, "KeyedLoadExternalDoubleArray") \
   V(KeyedLoadExternalPixelArray_symbol, "KeyedLoadExternalPixelArray")   \
   V(KeyedStoreExternalByteArray_symbol, "KeyedStoreExternalByteArray")   \
   V(KeyedStoreExternalUnsignedByteArray_symbol,                          \
@@ -228,6 +230,7 @@ inline Heap* _inline_get_heap_();
   V(KeyedStoreExternalUnsignedIntArray_symbol,                           \
         "KeyedStoreExternalUnsignedIntArray")                            \
   V(KeyedStoreExternalFloatArray_symbol, "KeyedStoreExternalFloatArray") \
+  V(KeyedStoreExternalDoubleArray_symbol, "KeyedStoreExternalDoubleArray") \
   V(KeyedStoreExternalPixelArray_symbol, "KeyedStoreExternalPixelArray")
 
 // Forward declarations.