diff options
Diffstat (limited to 'src/cmd/compile/internal/noder/irgen.go')
| -rw-r--r-- | src/cmd/compile/internal/noder/irgen.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/noder/irgen.go b/src/cmd/compile/internal/noder/irgen.go index d909f3467b..e0b7bb946d 100644 --- a/src/cmd/compile/internal/noder/irgen.go +++ b/src/cmd/compile/internal/noder/irgen.go @@ -97,7 +97,7 @@ func checkFiles(m posMap, noders []*noder) (*types2.Package, *types2.Info) { for _, file := range files { syntax.Inspect(file, func(n syntax.Node) bool { if n, ok := n.(*syntax.InterfaceType); ok { - if f.hasCycle(n.GetTypeInfo().Type.(*types2.Interface)) { + if f.hasCycle(types2.Unalias(n.GetTypeInfo().Type).(*types2.Interface)) { base.ErrorfAt(m.makeXPos(n.Pos()), errors.InvalidTypeCycle, "invalid recursive type: anonymous interface refers to itself (see https://go.dev/issue/56103)") for typ := range f.cyclic { @@ -171,7 +171,7 @@ func (f *cycleFinder) hasCycle(typ *types2.Interface) bool { // visit recursively walks typ0 to check any referenced interface types. func (f *cycleFinder) visit(typ0 types2.Type) bool { for { // loop for tail recursion - switch typ := typ0.(type) { + switch typ := types2.Unalias(typ0).(type) { default: base.Fatalf("unexpected type: %T", typ) |