35fb79be6a
Per the spec, "the type sets of all non-interface terms must be pairwise disjoint (the pairwise intersection of the type sets must be empty)" in a union. For the overlap test, the existing implementation casually mixed syntactic union terms (which may have interface type) with type set terms (which are normalized/expanded and must not have interface type). As a consequence, in some cases the overlap test failed. This change skips terms with interface types in the overlap test. Fixes #51607. Change-Id: I8ae9953db31f0a0428389c6a45a6696aa2450219 Reviewed-on: https://go-review.googlesource.com/c/go/+/397695 Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> |
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