asc crash when use same name in class and namespace #2793

Fatal: Module::addGlobal: assembly/index/NS.v already exists

▌ Whoops, the AssemblyScript compiler has crashed during compile :-(
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▌ There is no stack trace. Perhaps a Binaryen exception above / in console?
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▌ > undefined
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▌ If you see where the error is, feel free to send us a pull request. If not,
▌ please let us know: https://github.com/AssemblyScript/assemblyscript/issues
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▌ Thank you!