ssa: index check take address

cl/_testrt/makemap/in.go

@@ -1,8 +1,13 @@
 package main
 
-type N [1]int
-
 func main() {
+	make1()
+	make2()
+	make3()
+	make4()
+}
+
+func make1() {
 	m := make(map[int]string)
 	m[1] = "hello"
 	m[2] = "world"
@@ -30,18 +35,55 @@ func main() {
 	if len(s) != 2 {
 		panic("bad len")
 	}
+}
 
+type N1 [1]int
+
+func make2() {
 	m2 := make(map[int]string)
 	println(m2, len(m2), m2 == nil, m2 != nil)
 	var m3 map[int]string
 	println(m3, len(m3), m3 == nil, m3 != nil)
 
 	n := make(map[any]int)
-	n[N{1}] = 100
-	n[N{2}] = 200
-	n[N{3}] = 300
-	n[N{2}] = -200
+	n[N1{1}] = 100
+	n[N1{2}] = 200
+	n[N1{3}] = 300
+	n[N1{2}] = -200
 	for k, v := range n {
-		println(k.(N)[0], v)
+		println(k.(N1)[0], v)
+	}
+}
+
+type N struct {
+	n1 int8
+	n2 int8
+}
+type K [1]N
+type K2 [1]*N
+
+func make3() {
+	var a any = K{N{1, 2}}
+	var b any = K{N{1, 2}}
+	println(a == b)
+
+	m := make(map[any]int)
+	m[K{N{1, 2}}] = 100
+	m[K{N{3, 4}}] = 200
+	for k, v := range m {
+		println(k.(K)[0].n1, v)
+	}
+}
+
+func make4() {
+	var a any = K2{&N{1, 2}}
+	var b any = K2{&N{1, 2}}
+	println(a == b)
+
+	m := make(map[any]int)
+	m[K2{&N{1, 2}}] = 100
+	m[K2{&N{3, 4}}] = 200
+	for k, v := range m {
+		println(k.(K2)[0].n1, v)
 	}
 }