[Interpreter] Add interpreter support for compare ops and ToBoolean.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 6838f275b9643089032532046f816e5335797637..40b346cda6c2565364d703a093f4fbe8564c8226 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -815,7 +815,7 @@ enum CompareResult {
 enum class ComparisonResult {
   kLessThan,     // x < y
   kEqual,        // x = y
-  kGreaterThan,  // x > x
+  kGreaterThan,  // x > y
   kUndefined     // at least one of x or y was undefined or NaN
 };