69468915d5
* cretonne-faerie: add a translation mechanism for LibCalls * cretonne-faerie: docs for libcall_names, rustfmt * cretonne-faerie: switch libcall naming to use a closure * travis: debug mypy version * travis: pin mypy to 0.521 mypy released 0.600 today and even with `--no-strict-optional` flag passed to it (in lib/codegen/meta/check.sh) it fails to infer the type of values that did not need type annotations in the past * faerie-backend: fix swapped nearbyint functions * cretonne-faerie: move boxing out of FaerieBuilder