Fix possible wrong return type with <<

ryansuchocki / microscheme

A Scheme subset for Atmel microcontrollers.

http://ryansuchocki.github.io/microscheme/

MIT License

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Closed glv2 closed 3 years ago

glv2 commented 3 years ago

Clearing the top bit of CRSh is necessary for '<<' as shifting left can overwrite the type bit.