type golang.org/x/sys/execabs.Error

3 uses

	golang.org/x/sys/execabs (current package)
		execabs.go#L35: type Error = exec.Error

	golang.org/x/tools/go/packages
		golist.go#L948: 		if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound {

	golang.org/x/tools/internal/gocommand
		invoke.go#L160: 		if ee, ok := rawError.(*exec.Error); ok && ee.Err == exec.ErrNotFound {