Fixed breakage caused by r11051 on non-ia32 platforms.

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 c7bd99228cdcd50ea0ecb5f6eacdb41176e31e68..ae8d822c0d601ea7d2f5f37299ef56611cbefd7e 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -1504,10 +1504,10 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
         }
         break;
       case ObjectLiteral::Property::GETTER:
-        accessor_table.find(key)->second->getter = value;
+        accessor_table.lookup(key)->second->getter = value;
         break;
       case ObjectLiteral::Property::SETTER:
-        accessor_table.find(key)->second->setter = value;
+        accessor_table.lookup(key)->second->setter = value;
         break;
     }
   }