go/types, types2: implement Alias proposal (export API)

[gostls13.git] / src / cmd / compile / internal / types2 / typexpr.go

diff --git a/src/cmd/compile/internal/types2/typexpr.go b/src/cmd/compile/internal/types2/typexpr.go
index cabf4eb856a0d5b5ba96e03ee2b0d54cca029688..0ee92be6ee5cd23fecb12c8b5b3a5e8c8626cf4e 100644 (file)
--- a/src/cmd/compile/internal/types2/typexpr.go
+++ b/src/cmd/compile/internal/types2/typexpr.go
@@ -94,7 +94,7 @@ func (check *Checker) ident(x *operand, e *syntax.Name, def *TypeName, wantType
                x.mode = constant_
 
        case *TypeName:
-               if !check.conf._EnableAlias && check.isBrokenAlias(obj) {
+               if !check.enableAlias && check.isBrokenAlias(obj) {
                        check.errorf(e, InvalidDeclCycle, "invalid use of type alias %s in recursive type (see go.dev/issue/50729)", obj.name)
                        return
                }
@@ -403,7 +403,7 @@ func (check *Checker) typInternal(e0 syntax.Expr, def *TypeName) (T Type) {
 func setDefType(def *TypeName, typ Type) {
        if def != nil {
                switch t := def.typ.(type) {
-               case *_Alias:
+               case *Alias:
                        // t.fromRHS should always be set, either to an invalid type
                        // in the beginning, or to typ in certain cyclic declarations.
                        if t.fromRHS != Typ[Invalid] && t.fromRHS != typ {