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LE Manh Cuong authored
The root cause of #33658 is that fmt.Printf does have side effects when printing Type. typefmt for TINTER will call Type.Fields to get all embedded fields and methods. The thing is that type.Fields itself will call dowidth, which will expand the embedded interface, make it non-embedded anymore. To fix it, we add a marker while we are tracing, so dowidth can know and return immediately without doing anything. Fixes #33658 Change-Id: Id4b70ff68a3b802675deae96793fdb8f7ef1a4a7 Reviewed-on: https://go-review.googlesource.com/c/go/+/190537 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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