Update odin/ast for multi pointers

core/odin/ast/ast.odin

@@ -656,6 +656,14 @@ Pointer_Type :: struct {
 	elem:    ^Expr,
 }
 
+Multi_Pointer_Type :: struct {
+	using node: Expr,
+	open:    tokenizer.Pos,
+	pointer: tokenizer.Pos,
+	close:   tokenizer.Pos,
+	elem:    ^Expr,
+}
+
 Array_Type :: struct {
 	using node: Expr,
 	open:  tokenizer.Pos,

core/odin/ast/clone.odin

@@ -251,6 +251,8 @@ clone_node :: proc(node: ^Node) -> ^Node {
 		r.results = auto_cast clone(r.results);
 	case Pointer_Type:
 		r.elem = clone(r.elem);
+	case Multi_Pointer_Type:
+		r.elem = clone(r.elem);
 	case Array_Type:
 		r.len  = clone(r.len);
 		r.elem = clone(r.elem);

core/odin/ast/walk.odin

@@ -349,6 +349,8 @@ walk :: proc(v: ^Visitor, node: ^Node) {
 		walk(v, n.results);
 	case Pointer_Type:
 		walk(v, n.elem);
+	case Multi_Pointer_Type:
+		walk(v, n.elem);
 	case Array_Type:
 		if n.tag != nil {
 			walk(v, n.tag);