Changelog
- dd7197f interp: fix assign of multiple return function call
- 5b62f9f interp: fix setting of interface value from nested function calls
- 4f66e3f interp: fix type switch when the case type is an interpreted interface
- da03c92 interp: get rid of deprecated stdlib package ioutil
- 9620116 interp: replace value.Type().Kind() by value.Kind()
- 1335b4c stdlib: add wrappers for go/build/constraint package