2 commits

Author	SHA1	Message	Date
Robert Griesemer	cc14fcac2b	cmd/compile/internal/types2: disallow type cycles through type parameter lists ... If we reach a generic type that is part of a cycle and we are in a type parameter list, we have a cycle through a type parameter list, which is invalid. Fixes #49439. Change-Id: Ia6cf97e1748ca0c0e61c02841202050091365b0b Reviewed-on: https://go-review.googlesource.com/c/go/+/361922 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>	2021-11-10 00:56:09 +00:00
Matthew Dempsky	fb84e99eb7	test: add compiler regress tests for #46461 ... gri@ reports that types2 now correctly handles when type parameters recursively refer back to the parameterized type, so we might as well add tests to exercise that. Unified IR also correctly handles importing and exporting these types, but -G=3 currently does not. Updates #46461. Change-Id: I272102aa08c40c980b9aeeca9f834291dfbbcc3e Reviewed-on: https://go-review.googlesource.com/c/go/+/348738 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>	2021-09-09 19:37:25 +00:00