update V8 to TOT snapshot branch
diff --git a/src/mips/codegen-mips.cc b/src/mips/codegen-mips.cc
index 5a27c28..2de45f6 100644
--- a/src/mips/codegen-mips.cc
+++ b/src/mips/codegen-mips.cc
@@ -305,6 +305,11 @@
 }
 
 
+void CodeGenerator::GenerateIsRegExp(ZoneList<Expression*>* args) {
+  UNIMPLEMENTED_MIPS();
+}
+
+
 void CodeGenerator::GenerateIsConstructCall(ZoneList<Expression*>* args) {
   UNIMPLEMENTED_MIPS();
 }
@@ -365,6 +370,11 @@
 }
 
 
+void CodeGenerator::GenerateNumberToString(ZoneList<Expression*>* args) {
+  UNIMPLEMENTED_MIPS();
+}
+
+
 void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
   UNIMPLEMENTED_MIPS();
 }
@@ -498,4 +508,3 @@
 #undef __
 
 } }  // namespace v8::internal
-