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Diffstat (limited to 'test/typeparam/mdempsky/21.go')
-rw-r--r-- | test/typeparam/mdempsky/21.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/typeparam/mdempsky/21.go b/test/typeparam/mdempsky/21.go new file mode 100644 index 0000000..da10ae3 --- /dev/null +++ b/test/typeparam/mdempsky/21.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Test that devirtualization doesn't introduce spurious type +// assertion failures due to shaped and non-shaped interfaces having +// distinct itabs. + +package main + +func main() { + F[int]() +} + +func F[T any]() { + var i I[T] = X(0) + i.M() +} + +type I[T any] interface{ M() } + +type X int + +func (X) M() {} |