There is an Assertion in 'context_p->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' in parser_parse_object_initializer in JerryScript 2.2.0.
###### JerryScript revision
cae6cd0

###### Build platform
Ubuntu 16.04.6 LTS (Linux 4.15.0-99-generic x86_64)

###### Build steps
```
./tools/build.py --clean --debug --compile-flag=-fsanitize=address \
 --compile-flag=-m32 --compile-flag=-fno-omit-frame-pointer \
 --compile-flag=-fno-common --compile-flag=-g --strip=off \
 --system-allocator=on --logging=on --linker-flag=-fuse-ld=gold \
 --error-messages=on --profile=es2015-subset --lto=off 
```

###### Test case
```
function a ({
  *=;
})
```

###### Output
```
ICE: Assertion 'context_p->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' failed at /home/JerryScript/jerry-core/parser/js/js-parser-expr.c(parser_parse_object_initializer):3234.
Error: ERR_FAILED_INTERNAL_ASSERTION
Aborted
```

Credits: This vulnerability is detected by chong from OWL337.
Assertion 'context_p->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' in parser_parse_object_initializer
This is a GitHub Issue
repo:jerryscript
owner:jerryscript-project
Title : Assertion 'context_p->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' in parser_parse_object_initializer
Issue date:

--- start body ---
###### JerryScript revision
cae6cd0

###### Build platform
Ubuntu 16.04.6 LTS (Linux 4.15.0-99-generic x86_64)

###### Build steps
```
./tools/build.py --clean --debug --compile-flag=-fsanitize=address \
 --compile-flag=-m32 --compile-flag=-fno-omit-frame-pointer \
 --compile-flag=-fno-common --compile-flag=-g --strip=off \
 --system-allocator=on --logging=on --linker-flag=-fuse-ld=gold \
 --error-messages=on --profile=es2015-subset --lto=off 
```

###### Test case
```
function a ({
  *=;
})
```

###### Output
```
ICE: Assertion 'context_p->token.type == LEXER_RIGHT_BRACE || context_p->token.type == LEXER_ASSIGN || context_p->token.type == LEXER_COMMA' failed at /home/JerryScript/jerry-core/parser/js/js-parser-expr.c(parser_parse_object_initializer):3234.
Error: ERR_FAILED_INTERNAL_ASSERTION
Aborted
```

Credits: This vulnerability is detected by chong from OWL337.
--- end body ---
