[Atomics] Make Atomics.store a builtin using TF

src/compiler/code-assembler.cc

Index: src/compiler/code-assembler.cc
diff --git a/src/compiler/code-assembler.cc b/src/compiler/code-assembler.cc
index 8be42d316148d55ba927a2f0fd7d2c377d62befa..d78677e0f55768ca52460cb37d39a8e41169993f 100644
--- a/src/compiler/code-assembler.cc
+++ b/src/compiler/code-assembler.cc
@@ -234,6 +234,11 @@ Node* CodeAssembler::StoreNoWriteBarrier(MachineRepresentation rep, Node* base,
   return raw_assembler_->Store(rep, base, index, value, kNoWriteBarrier);
 }
 
+Node* CodeAssembler::AtomicStore(MachineRepresentation rep, Node* base,
+                                 Node* index, Node* value) {
+  return raw_assembler_->AtomicStore(rep, base, index, value);
+}
+
 Node* CodeAssembler::Projection(int index, Node* value) {
   return raw_assembler_->Projection(index, value);
 }