Export statement parsing should construct new ident literal (#3256)

This patch fixes #3253.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

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

@@ -347,7 +347,7 @@ parser_module_parse_export_clause (parser_context_t *context_p) /**< parser cont
     ecma_string_t *export_name_p = NULL;
     ecma_string_t *local_name_p = NULL;
 
-    lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_IDENT_LITERAL);
+    lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_NEW_IDENT_LITERAL);
 
     uint16_t local_name_index = context_p->lit_object.index;
     uint16_t export_name_index = PARSER_MAXIMUM_NUMBER_OF_LITERALS;
@@ -363,7 +363,7 @@ parser_module_parse_export_clause (parser_context_t *context_p) /**< parser cont
         parser_raise_error (context_p, PARSER_ERR_IDENTIFIER_EXPECTED);
       }
 
-      lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_IDENT_LITERAL);
+      lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_NEW_IDENT_LITERAL);
 
       export_name_index = context_p->lit_object.index;
 

tests/jerry/fail/regression-test-issue-3253-1.js

@@ -0,0 +1,16 @@
+// 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.
+
+var a;
+export { a

tests/jerry/fail/regression-test-issue-3253-2.js

@@ -0,0 +1,16 @@
+// 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.
+
+var a, b;
+export { a as b