[api] Add a switch that controls if ES2015 tail call elimination feature is enabled or not.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 9cee8db2ba79d92adb820c0af6800f66a58c799e..093c7251dab39ddb16fbd655f5470aebc55c5a34 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -2881,6 +2881,12 @@ std::string Isolate::GetTurboCfgFileName() {
   }
 }
 
+void Isolate::SetTailCallEliminationEnabled(bool enabled) {
+  if (is_tail_call_elimination_enabled_ == enabled) return;
+  is_tail_call_elimination_enabled_ = enabled;
+  // This is a big hammer but we don't expect this to happen frequently.
+  internal::Deoptimizer::DeoptimizeAll(this);
+}
 
 // Heap::detached_contexts tracks detached contexts as pairs
 // (number of GC since the context was detached, the context).