Class methods should be non enumerable

src/mips/full-codegen-mips.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
@@ skipping 1793 matching lines @@
           } else {
             __ Drop(3);
           }
           break;
 
         case ObjectLiteral::Property::PROTOTYPE:
           UNREACHABLE();
           break;
 
         case ObjectLiteral::Property::GETTER:
-          __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 3);
+          __ li(a0, Operand(Smi::FromInt(NONE)));
+          __ push(a0);
+          __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 4);
           break;
 
         case ObjectLiteral::Property::SETTER:
-          __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 3);
+          __ li(a0, Operand(Smi::FromInt(NONE)));
+          __ push(a0);
+          __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 4);
           break;
       }
     }
   }
 
   if (expr->has_function()) {
     DCHECK(result_saved);
     __ lw(a0, MemOperand(sp));
     __ push(a0);
     __ CallRuntime(Runtime::kToFastProperties, 1);
@@ skipping 701 matching lines @@
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
       case ObjectLiteral::Property::PROTOTYPE:
         UNREACHABLE();
       case ObjectLiteral::Property::COMPUTED:
         __ CallRuntime(Runtime::kDefineClassMethod, 3);
         break;
 
       case ObjectLiteral::Property::GETTER:
-        __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 3);
+        __ li(a0, Operand(Smi::FromInt(DONT_ENUM)));
+        __ push(a0);
+        __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 4);
         break;
 
       case ObjectLiteral::Property::SETTER:
-        __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 3);
+        __ li(a0, Operand(Smi::FromInt(DONT_ENUM)));
+        __ push(a0);
+        __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 4);
         break;
 
       default:
         UNREACHABLE();
     }
   }
 
   // prototype
   __ CallRuntime(Runtime::kToFastProperties, 1);
 
@@ skipping 2788 matching lines @@
       Assembler::target_address_at(pc_immediate_load_address)) ==
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS