[Interpreted] Throws an error if rest parameters are used.

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index 5d8857440975f6684cf69d732985963449e2aaa1..f2ee95aa3790daf37ab0d8b600a85ee5e5f81a45 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -473,6 +473,12 @@ void BytecodeGenerator::MakeBytecodeBody() {
   // Build the arguments object if it is used.
   VisitArgumentsObject(scope()->arguments());
 
+  // TODO(mythria): Build rest arguments array if it is used.
+  int rest_index;
+  if (scope()->rest_parameter(&rest_index)) {
+    UNIMPLEMENTED();
+  }
+
   // Build assignment to {.this_function} variable if it is used.
   VisitThisFunctionVariable(scope()->this_function_var());