###### JerryScript revision Commit: [a6ab5e9](https://github.com/jerryscript-project/jerryscript/commit/a6ab5e9abed70cdedf9f4e9c1dc379eb762ebf64) Version: v3.0.0 ###### Build platform Ubuntu 18.04.5 LTS (Linux 4.19.128-microsoft-standard x86_64) Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64) ###### Build steps ```bash python ./tools/build.py --clean --debug --compile-flag=-fsanitize=address --compile-flag=-m32 --compile-flag=-g --strip=off --lto=off --logging=on --line-info=on --error-message=on --system-allocator=on --stack-limit=20 ``` ###### Test case <details> <summary>poc.js</summary> <pre><code> ```javascript class JSEtest { #async bar(x = 1) { "use strict" } } ``` </code></pre> </details> ###### Execution steps & Output ```bash $ ./jerryscript/build/bin/jerry poc.js ICE: Assertion 'context_p->token.type == LEXER_LITERAL' failed at jerryscript/jerry-core/parser/js/js-parser-expr.c(parser_check_duplicated_private_field):531. Error: ERR_FAILED_INTERNAL_ASSERTION [1] 26237 abort jerry poc.js ``` Credits: Found by OWL337 team.