A64: Synchronize with r15358.

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index d2daddf0ba81b917c30227e7df178a1576c4b9af..4928e788160e13264e97fc19a684482dc867e4bc 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -369,6 +369,28 @@ namespace internal {
   F(TypedArrayGetLength, 1, 1) \
   F(TypedArraySetFastCases, 3, 1) \
   \
+  F(DataViewInitialize, 4, 1) \
+  F(DataViewGetBuffer, 1, 1) \
+  F(DataViewGetByteLength, 1, 1) \
+  F(DataViewGetByteOffset, 1, 1) \
+  F(DataViewGetInt8, 3, 1) \
+  F(DataViewGetUint8, 3, 1) \
+  F(DataViewGetInt16, 3, 1) \
+  F(DataViewGetUint16, 3, 1) \
+  F(DataViewGetInt32, 3, 1) \
+  F(DataViewGetUint32, 3, 1) \
+  F(DataViewGetFloat32, 3, 1) \
+  F(DataViewGetFloat64, 3, 1) \
+  \
+  F(DataViewSetInt8, 4, 1) \
+  F(DataViewSetUint8, 4, 1) \
+  F(DataViewSetInt16, 4, 1) \
+  F(DataViewSetUint16, 4, 1) \
+  F(DataViewSetInt32, 4, 1) \
+  F(DataViewSetUint32, 4, 1) \
+  F(DataViewSetFloat32, 4, 1) \
+  F(DataViewSetFloat64, 4, 1) \
+  \
   /* Statements */ \
   F(NewClosure, 3, 1) \
   F(NewObject, 1, 1) \
@@ -468,6 +490,7 @@ namespace internal {
   F(GetFrameCount, 1, 1) \
   F(GetFrameDetails, 2, 1) \
   F(GetScopeCount, 2, 1) \
+  F(GetStepInPositions, 2, 1) \
   F(GetScopeDetails, 4, 1) \
   F(GetFunctionScopeCount, 1, 1) \
   F(GetFunctionScopeDetails, 2, 1) \
@@ -769,6 +792,10 @@ class Runtime : public AllStatic {
       Handle<JSArrayBuffer> array_buffer,
       size_t allocated_length);
 
+  static void FreeArrayBuffer(
+      Isolate* isolate,
+      JSArrayBuffer* phantom_array_buffer);
+
   // Helper functions used stubs.
   static void PerformGC(Object* result);