[release-branch.go1.23] cmd/compile: support generic alias type

Type parameters on aliases are now allowed after golang#46477 accepted. Updates golang#46477 Fixes golang#68054 Change-Id: Ic2e3b6f960a898163f47666e3a6bfe43b8cc22e2 Reviewed-on: https://go-review.googlesource.com/c/go/+/593715 Reviewed-by: Robert Griesemer <[email protected]> Reviewed-by: Matthew Dempsky <[email protected]> LUCI-TryBot-Result: Go LUCI <[email protected]> Auto-Submit: Robert Griesemer <[email protected]> Reviewed-on: https://go-review.googlesource.com/c/go/+/593797 Reviewed-by: Michael Pratt <[email protected]>
xiandaonancheng · Sep 12, 2024 · 5665802 · 5665802
1 parent 8e46057
commit 5665802
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/cmd/compile/internal/noder/writer.go b/src/cmd/compile/internal/noder/writer.go
@@ -3016,6 +3016,9 @@ func objTypeParams(obj types2.Object) *types2.TypeParamList {
 		case *types2.Alias:
 			return t.TypeParams()
 		}
+		if alias, ok := obj.Type().(*types2.Alias); ok {
+			return alias.TypeParams()
+		}
 	}
 	return nil
 }