[Bug go/61254] New: gccgo: spurious "error: slice end must be integer" [GoSmith]

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61254

            Bug ID: 61254
           Summary: gccgo: spurious "error: slice end must be integer"
                    [GoSmith]
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: go
          Assignee: ian at airs dot com
          Reporter: dvyukov at google dot com

gcc version 4.10.0 20140516 (experimental) (GCC) 

The program is:

package main
func main() {
    ((([][]int{})[:])[0])[0]++
}

$ go build -compiler=gccgo /tmp/index.go
src.go:4:15: error: slice end must be integer
  ((([][]int{})[:])[0])[0]++

gc compiles successfully.