[es6] Parameter scopes for sloppy eval

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 543a528594e05eb27b0dae45cd14eaf47007a087..93da2ed3874960606958888ae0255eaf00745a4a 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -885,6 +885,14 @@ void AccessorInfo::AccessorInfoVerify() {
 }
 
 
+void SloppyBlockWithEvalContextExtension::
+    SloppyBlockWithEvalContextExtensionVerify() {
+  CHECK(IsSloppyBlockWithEvalContextExtension());
+  VerifyObjectField(kScopeInfoOffset);
+  VerifyObjectField(kExtensionOffset);
+}
+
+
 void ExecutableAccessorInfo::ExecutableAccessorInfoVerify() {
   CHECK(IsExecutableAccessorInfo());
   AccessorInfoVerify();