ASSERTION 448644: (ChakraCore/lib/Runtime/Language/ValueType.cpp, line 1101)

ChakraCore version:
commit c3ead3f

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

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

case undefined:
try {
}
finally {

switch (0) {
case 0:
try {
break;
} finally {
}
}

}
break;
default:
break;
}

let p = Proxy;
p = "PI";
Error[p] = NaN;
}

let x = foo();

let i = 0;
while(i < 1024)
{
foo();
i++;
}
```

Execute
```shell
./ch ./test.js
```

Error msg:
```
ASSERTION 448644: (ChakraCore/lib/Runtime/Language/ValueType.cpp, line 1101) var
Failure: (var)
Illegal instruction (core dumped)
```