Fix computed properties on object literals with a double as propertyname.

src/arm64/full-codegen-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1679 matching lines @@
             VisitForEffect(value);
           }
           break;
         }
         if (property->emit_store()) {
           // Duplicate receiver on stack.
           __ Peek(x0, 0);
           __ Push(x0);
           VisitForStackValue(key);
           VisitForStackValue(value);
-          __ Mov(x0, Smi::FromInt(NONE));  // PropertyAttributes
+          __ Mov(x0, Smi::FromInt(SLOPPY));  // Strict mode
           __ Push(x0);
-          __ CallRuntime(Runtime::kAddProperty, 4);
+          __ CallRuntime(Runtime::kSetProperty, 4);
         } else {
           VisitForEffect(key);
           VisitForEffect(value);
         }
         break;
       case ObjectLiteral::Property::PROTOTYPE:
         if (property->emit_store()) {
           // Duplicate receiver on stack.
           __ Peek(x0, 0);
           __ Push(x0);
@@ skipping 3176 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64