Fix bit field access for 64-bit big-endian architectures.

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index d910c01101d3879a015f211492d66a4dc1e8af3f..e2de39c2bc9b9db70805f188d60e7e61c60057c5 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -5161,7 +5161,7 @@ void ValidateSharedTypedArray(CodeStubAssembler* a, compiler::Node* tagged,
   a->Bind(&is_typed_array);
   Node* array_buffer = a->LoadObjectField(tagged, JSTypedArray::kBufferOffset);
   Node* is_buffer_shared = a->BitFieldDecode<JSArrayBuffer::IsShared>(
-      a->LoadObjectField(array_buffer, JSArrayBuffer::kBitFieldOffset));
+      a->LoadObjectField(array_buffer, JSArrayBuffer::kBitFieldSlot));
   a->Branch(is_buffer_shared, &is_shared, &not_shared);
   a->Bind(&not_shared);
   a->Goto(&invalid);