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test: restore fixedbugs/bug398.go to original version

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Cannot reproduce original problem. Compiler internals
have changed enough such that this appears to work now.

Restore original test (exported interfaces), but also
keep version of the test using non-exported interfaces.

Fixes #15596.

Change-Id: Idb32da80239963242bd5d1609343c80f19773b0c
Reviewed-on: https://go-review.googlesource.com/43622
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
griesemer 2017-05-18 14:11:17 -07:00 committed by Robert Griesemer
parent 79eb88285b
commit 9044cb04f2
1 changed files with 21 additions and 4 deletions
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25
test/fixedbugs/bug398.go
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@ -5,16 +5,36 @@
// license that can be found in the LICENSE file.
// Used to crash compiler in interface type equality check.
// (This test used to have problems - see #15596.)
package p
// exported interfaces
type I1 interface {
F() interface{I1}
}
type I2 interface {
F() interface{I2}
}
var V1 I1
var V2 I2
func F() bool {
return V1 == V2
}
// non-exported interfaces
type i1 interface {
F() interface{i1}
}
type i2 interface {
F() interface{i2}
}
}
var v1 i1
var v2 i2
@ -22,6 +42,3 @@ var v2 i2
func f() bool {
return v1 == v2
}
// TODO(gri) Change test to use exported interfaces.
// See issue #15596 for details.