Add UseCounter for decimal with leading zero.

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index 9e57442daf750fed05f09dc2e70c0993b84ebb4e..86180fa98fe718ee33b46ee5eb589c957f43a7e2 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -1007,6 +1007,8 @@ class PreParser : public ParserBase<PreParserTraits> {
     } else if (is_strict(scope_->language_mode())) {
       CheckStrictOctalLiteral(start_position, scanner()->location().end_pos,
                               &ok);
+      CheckDecimalLiteralWithLeadingZero(use_counts_, start_position,
+                                         scanner()->location().end_pos);
     }
     if (materialized_literals) {
       *materialized_literals = function_state_->materialized_literal_count();