[typedarrays] Check detached buffer at start of typed array methods

src/runtime/runtime-typedarray.cc

Index: src/runtime/runtime-typedarray.cc
diff --git a/src/runtime/runtime-typedarray.cc b/src/runtime/runtime-typedarray.cc
index 955af4e8ea0977cbd8f854c13e22838bf893a6c7..53bc14f5dfa5df15b34da699a25aed6305b85a48 100644
--- a/src/runtime/runtime-typedarray.cc
+++ b/src/runtime/runtime-typedarray.cc
@@ -202,6 +202,12 @@ BUFFER_VIEW_GETTER(TypedArray, Length, length)
 
 #undef BUFFER_VIEW_GETTER
 
+RUNTIME_FUNCTION(Runtime_ArrayBufferViewWasNeutered) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(1, args.length());
+  return isolate->heap()->ToBoolean(JSTypedArray::cast(args[0])->WasNeutered());
+}
+
 RUNTIME_FUNCTION(Runtime_TypedArrayGetBuffer) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
@@ -360,7 +366,6 @@ RUNTIME_FUNCTION(Runtime_IsTypedArray) {
   return isolate->heap()->ToBoolean(args[0]->IsJSTypedArray());
 }
 
-
 RUNTIME_FUNCTION(Runtime_IsSharedTypedArray) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());