Expose SIMD.Float32x4 type to Javascript.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 507c7b61e23654c71766a7a3edac486c1c15c4d3..4bfefb82647e0135fd94d559f4a1d6bbcd08fddd 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -386,6 +386,7 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
   V(SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE) \
                                                                 \
   V(SYMBOL_TYPE)                                                \
+  V(FLOAT32X4_TYPE)                                             \
                                                                 \
   V(MAP_TYPE)                                                   \
   V(CODE_TYPE)                                                  \
@@ -395,7 +396,6 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
                                                                 \
   V(HEAP_NUMBER_TYPE)                                           \
   V(MUTABLE_HEAP_NUMBER_TYPE)                                   \
-  V(FLOAT32X4_TYPE)                                             \
   V(FOREIGN_TYPE)                                               \
   V(BYTE_ARRAY_TYPE)                                            \
   V(FREE_SPACE_TYPE)                                            \
@@ -924,6 +924,7 @@ template <class C> inline bool Is(Object* obj);
 #define HEAP_OBJECT_TYPE_LIST(V)   \
   V(HeapNumber)                    \
   V(MutableHeapNumber)             \
+  V(Float32x4)                     \
   V(Name)                          \
   V(UniqueName)                    \
   V(String)                        \
@@ -958,7 +959,6 @@ template <class C> inline bool Is(Object* obj);
   V(FixedFloat32Array)             \
   V(FixedFloat64Array)             \
   V(FixedUint8ClampedArray)        \
-  V(Float32x4)                     \
   V(ByteArray)                     \
   V(FreeSpace)                     \
   V(JSReceiver)                    \