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go/test/fixedbugs/issue10975.go

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cmd/compile: Fix `internal compiler: getinarg: not a func` when returning invalid interface. Internal error arose from calling methodfunc on a invalid interface field during the implements check. int obviously isn't a function, and errors on getinarg... for im := iface.Type; im != nil; im = im.Down { imtype = methodfunc(im.Type, nil) // ... } Fix handles the internal compiler error, but does not throw an additional error, i.e. the following code will error on the I interface, but type A will pass the implements check since 'Read(string) string' is implemented and 'int' is skipped type I interface { Read(string) string int } type A struct { } func (a *A) Read(s string) string { return s } func New() I { return new(A) } Fixes #10975 Change-Id: I4b54013afb2814db3f315515f0c742d8631ca500 Reviewed-on: https://go-review.googlesource.com/13747 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-08-21 20:24:20 -06:00
// errorcheck
all: make copyright headers consistent with one space after period Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-10 15:32:26 -06:00
// Copyright 2015 The Go Authors. All rights reserved.
cmd/compile: Fix `internal compiler: getinarg: not a func` when returning invalid interface. Internal error arose from calling methodfunc on a invalid interface field during the implements check. int obviously isn't a function, and errors on getinarg... for im := iface.Type; im != nil; im = im.Down { imtype = methodfunc(im.Type, nil) // ... } Fix handles the internal compiler error, but does not throw an additional error, i.e. the following code will error on the I interface, but type A will pass the implements check since 'Read(string) string' is implemented and 'int' is skipped type I interface { Read(string) string int } type A struct { } func (a *A) Read(s string) string { return s } func New() I { return new(A) } Fixes #10975 Change-Id: I4b54013afb2814db3f315515f0c742d8631ca500 Reviewed-on: https://go-review.googlesource.com/13747 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-08-21 20:24:20 -06:00
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
test: gofmt fixedbugs/issue10975.go Change-Id: I772d1bc3e394cdd707f210f2aaff77100d299e24 Reviewed-on: https://go-review.googlesource.com/15380 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-10-03 19:23:23 -06:00
// Issue 10975: Returning an invalid interface would cause
// `internal compiler error: getinarg: not a func`.
cmd/compile: Fix `internal compiler: getinarg: not a func` when returning invalid interface. Internal error arose from calling methodfunc on a invalid interface field during the implements check. int obviously isn't a function, and errors on getinarg... for im := iface.Type; im != nil; im = im.Down { imtype = methodfunc(im.Type, nil) // ... } Fix handles the internal compiler error, but does not throw an additional error, i.e. the following code will error on the I interface, but type A will pass the implements check since 'Read(string) string' is implemented and 'int' is skipped type I interface { Read(string) string int } type A struct { } func (a *A) Read(s string) string { return s } func New() I { return new(A) } Fixes #10975 Change-Id: I4b54013afb2814db3f315515f0c742d8631ca500 Reviewed-on: https://go-review.googlesource.com/13747 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-08-21 20:24:20 -06:00
package main
type I interface {
test: gofmt fixedbugs/issue10975.go Change-Id: I772d1bc3e394cdd707f210f2aaff77100d299e24 Reviewed-on: https://go-review.googlesource.com/15380 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-10-03 19:23:23 -06:00
int // ERROR "interface contains embedded non-interface int"
cmd/compile: Fix `internal compiler: getinarg: not a func` when returning invalid interface. Internal error arose from calling methodfunc on a invalid interface field during the implements check. int obviously isn't a function, and errors on getinarg... for im := iface.Type; im != nil; im = im.Down { imtype = methodfunc(im.Type, nil) // ... } Fix handles the internal compiler error, but does not throw an additional error, i.e. the following code will error on the I interface, but type A will pass the implements check since 'Read(string) string' is implemented and 'int' is skipped type I interface { Read(string) string int } type A struct { } func (a *A) Read(s string) string { return s } func New() I { return new(A) } Fixes #10975 Change-Id: I4b54013afb2814db3f315515f0c742d8631ca500 Reviewed-on: https://go-review.googlesource.com/13747 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2015-08-21 20:24:20 -06:00
}
func New() I {
return struct{}{}
}
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