# should be able to compile big constants
#setenv script_keepwork true
godebugtester run main.go
contains stdout "18446744073709551615=(uint64(18446744073709551615=(18446744073709551616=(1 << 64) - 1)))"

-- main.go --
package main
import "math"
func main() {
	_=uint64(1<<64 - 1)
	_=uint64(math.MaxUint64)
}

