Don't do any special normalization if a boilerplate contains function literals.

src/full-codegen/s390/full-codegen-s390.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1511 matching lines @@
           break;
 
         case ObjectLiteral::Property::SETTER:
           PushOperand(Smi::FromInt(NONE));
           CallRuntimeWithOperands(Runtime::kDefineSetterPropertyUnchecked);
           break;
       }
     }
   }
 
-  if (expr->has_function()) {
-    DCHECK(result_saved);
-    __ LoadP(r2, MemOperand(sp));
-    __ push(r2);
-    __ CallRuntime(Runtime::kToFastProperties);
-  }
-
   if (result_saved) {
     context()->PlugTOS();
   } else {
     context()->Plug(r2);
   }
 }
 
 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
   Comment cmnt(masm_, "[ ArrayLiteral");
 
@@ skipping 2531 matching lines @@
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_S390