gc: remove func, map compare
R=ken, ken
CC=golang-dev
https://golang.org/cl/5373079
diff --git a/test/cmp6.go b/test/cmp6.go
index b3ea8ff..6b13cac 100644
--- a/test/cmp6.go
+++ b/test/cmp6.go
@@ -11,7 +11,7 @@
type T1 *int
type T2 *int
-type T3 struct {}
+type T3 struct{}
var t3 T3
@@ -21,12 +21,12 @@
// so chan int can be compared against
// directional channels but channel of different
// direction cannot be compared against each other.
- var c1 chan <-int
+ var c1 chan<- int
var c2 <-chan int
var c3 chan int
-
- use(c1 == c2) // ERROR "invalid operation|incompatible"
- use(c2 == c1) // ERROR "invalid operation|incompatible"
+
+ use(c1 == c2) // ERROR "invalid operation|incompatible"
+ use(c2 == c1) // ERROR "invalid operation|incompatible"
use(c1 == c3)
use(c2 == c2)
use(c3 == c1)
@@ -36,14 +36,22 @@
var p1 T1
var p2 T2
var p3 *int
-
- use(p1 == p2) // ERROR "invalid operation|incompatible"
- use(p2 == p1) // ERROR "invalid operation|incompatible"
+
+ use(p1 == p2) // ERROR "invalid operation|incompatible"
+ use(p2 == p1) // ERROR "invalid operation|incompatible"
use(p1 == p3)
use(p2 == p2)
use(p3 == p1)
use(p3 == p2)
-
+
// Comparison of structs should have a good message
- use(t3 == t3) // ERROR "struct|expected"
+ use(t3 == t3) // ERROR "struct|expected"
+
+ // Slices, functions, and maps too.
+ var x []int
+ var f func()
+ var m map[int]int
+ use(x == x) // ERROR "slice can only be compared to nil"
+ use(f == f) // ERROR "func can only be compared to nil"
+ use(m == m) // ERROR "map can only be compared to nil"
}