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go/test/fixedbugs/issue50788.dir
Max Neverov bdc6dbbc64 go/types: improve recursive type error message
This change improves error message for recursive types.
Currently, compilation of the [following program](https://go.dev/play/p/3ef84ObpzfG):

package main

type T1[T T2] struct{}
type T2[T T1] struct{}

returns an error:

./prog.go:3:6: invalid recursive type T1
	./prog.go:3:6: T1 refers to
	./prog.go:4:6: T2 refers to
	./prog.go:3:6: T1

With the patch applied the error message looks like:

./prog.go:3:6: invalid recursive type T1
	./prog.go:3:6: T1 refers to T2
	./prog.go:4:6: T2 refers to T1

Change-Id: Ic07cdffcffb1483c672b241fede4e694269b5b79
GitHub-Last-Rev: cd042fdc384cf5591b3258ca80fdc002bb8c5e0d
GitHub-Pull-Request: golang/go#69574
Reviewed-on: https://go-review.googlesource.com/c/go/+/614084
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2024-10-22 22:20:29 +00:00
..
a.go
b.go go/types: improve recursive type error message 2024-10-22 22:20:29 +00:00