Before filing a bug, please check whether it has been fixed since
the latest release: run "hg pull", "hg update default", rebuild, and
retry
what you did to
reproduce the problem.  Thanks.

What steps will reproduce the problem?
1. go tool 6g main.go 

package main
import "fmt"
func main() {
    s := "hello"
    fmt.Println(s == "")
}

What is the expected output?

None.

What do you see instead?

main.go:5: internal compiler error: typename ideal bool

Which compiler are you using (5g, 6g, 8g, gccgo)?

6g

Which operating system are you using?

OS X Lion

Which revision are you using?  (hg identify)

96bd78e7d35e weekly/weekly.2012-02-22

Please provide any additional information below.