ParserBase should accept ESCAPED_STRICT_RESERVED_WORD as an identifier

src/parsing/parser-base.h

Index: src/parsing/parser-base.h
diff --git a/src/parsing/parser-base.h b/src/parsing/parser-base.h
index acea162a003c06bbe58299b2bbdb3e079d46ecd0..c2c1fe1b1a343515c2acd0745d3b7c65dba6965e 100644
--- a/src/parsing/parser-base.h
+++ b/src/parsing/parser-base.h
@@ -811,6 +811,7 @@ class ParserBase {
   bool is_any_identifier(Token::Value token) {
     return token == Token::IDENTIFIER || token == Token::ENUM ||
            token == Token::AWAIT || token == Token::ASYNC ||
+           token == Token::ESCAPED_STRICT_RESERVED_WORD ||
            token == Token::FUTURE_STRICT_RESERVED_WORD || token == Token::LET ||
            token == Token::STATIC || token == Token::YIELD;
   }