[PATCH 0/1] MR489: jscript: return ParseProcedureText when compile fails.

[Santino Mazza (＠tati1454)]

This prevents crashes when there is an invalid script
inside a tag property.

Because ParseProcedureText calls release_bytecode without
checking if compile_script failed, "code" is not set, and
this leads to a crash when release_bytecode tries to access it.

To reproduce the bug you can create an html file and create a tag
with a property having invalid JS in it. For example:

```
<script onerror="alert("></script>
```

Then you just open this file with iexplore.