ASSERTION: ChakraCore/lib/Runtime/Types/SimpleTypeHandler.cpp, line 570

ChakraCore version:
commit c3ead3f

Build cmd:
```shell
./build.sh --debug --static
```

Test case:
```js
function foo() {

function bar(v1,v2,v3) {
}

function* baz(v5,v6) {
}

const a = baz();

bar.__proto__ = a;

delete bar.length;

for (const i in bar) {
z = v14;
}

bar.length = 0;
}

for(let i=0; i<0x300; i++) {
foo();
}
```

Execute
```shell
./ch --bgjit --oopjit ./test.js
```

Error msg:
```
ASSERTION 2624246: (ChakraCore/lib/Runtime/Types/SimpleTypeHandler.cpp, line 570) !GetIsLocked()
Failure: (!GetIsLocked())
Illegal instruction (core dumped)
```