Never use classic code generator.

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 793e2e1a02f13af3081cc6240d3e099db41c877d..226670a5ddb2a5c489890e77411a25d1364c03ea 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -2248,15 +2248,6 @@ void FullCodeGenerator::VisitCall(Call* expr) {
       }
     }
   } else {
-    // Call to some other expression.  If the expression is an anonymous
-    // function literal not called in a loop, mark it as one that should
-    // also use the full code generator.
-    FunctionLiteral* lit = fun->AsFunctionLiteral();
-    if (lit != NULL &&
-        lit->name()->Equals(isolate()->heap()->empty_string()) &&
-        loop_depth() == 0) {
-      lit->set_try_full_codegen(true);
-    }
     { PreservePositionScope scope(masm()->positions_recorder());
       VisitForStackValue(fun);
     }