Fixed breakage caused by r11051 on non-ia32 platforms.

TBR=mstarzinger@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9703056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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;
     }
   }

src/mips/full-codegen-mips.cc

@@ -1516,10 +1516,10 @@ 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;
     }
   }

src/x64/full-codegen-x64.cc

@@ -1466,10 +1466,10 @@ 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;
     }
   }