[Atomics] Make Atomics.exchange a builtin using TF

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index 3ed932ee10c3b1a26d4787e891f5d0b4e20860d0..1833d5ded0fae2caf0f63ff516bb4f5568488c60 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -175,6 +175,10 @@ class V8_EXPORT_PRIVATE RawMachineAssembler {
     return AddNode(machine()->AtomicStore(rep), base, index, value);
   }
 
+  Node* AtomicExchange(MachineType rep, Node* base, Node* index, Node* value) {
+    return AddNode(machine()->AtomicExchange(rep), base, index, value);
+  }
+
   // Arithmetic Operations.
   Node* WordAnd(Node* a, Node* b) {
     return AddNode(machine()->WordAnd(), a, b);