Fix parsing of invalid asterix symbol after private field symbol

Raise syntax error instead of crashing.

JerryScript-DCO-1.0-Signed-off-by: Ádám Kulcsár kuladam@inf.u-szeged.hu

Author: kulcsaradam

jerry-core/parser/js/js-parser-expr.c

@@ -687,6 +687,11 @@ parser_parse_class_body (parser_context_t *context_p, /**< context */
         context_p->token.flags |= LEXER_NO_SKIP_SPACES;
         ident_opts |= LEXER_OBJ_IDENT_CLASS_PRIVATE;
         is_private = true;
+
+        if (lexer_check_next_character (context_p, LIT_CHAR_ASTERISK))
+        {
+          parser_raise_error (context_p, PARSER_ERR_INVALID_CHARACTER);
+        }
       }
 
       if (!lexer_consume_generator (context_p))

tests/jerry/fail/regression-test-issue-5153.js

@@ -0,0 +1,15 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+class C { async #*method()  }

tools/cppcheck/suppressions-list

@@ -31,7 +31,7 @@ shiftNegativeLHS:jerry-math/*.c
 shiftTooManyBits:jerry-core/*.c
 shiftTooManyBitsSigned:jerry-math/*.c
 signConversionCond:jerry-core/*.c
-uninitvar:jerry-core/parser/js/js-parser-expr.c:3423
+uninitvar:jerry-core/parser/js/js-parser-expr.c:3428
 uninitvar:tests/unit-core/test-api-objecttype.c:119
 unmatchedSuppression:jerry-core/*.inc.h
 unreadVariable:jerry-core/*.c