Revert "Never use classic code generator."

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 3267951c68941847915d941c1ea0f0e1a4da23c9..7ab9102df5ea274e90e9a9d8624dc91471bf25e5 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -2351,6 +2351,16 @@ 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 fast 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);
     }