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gc: undo attempt at fixing recursive interface embedding
Fixes #582. Update #287 Status: Accepted Bug fix was too intrusive; undo and reopen issue. R=ken2 CC=golang-dev https://golang.org/cl/209044
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@ -122,9 +122,6 @@ walkdeflist(NodeList *l)
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walkdef(l->n);
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}
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static NodeList *deftypequeue;
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static int intypedef;
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static void
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walkdeftype(Node *n)
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{
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@ -265,21 +262,7 @@ walkdef(Node *n)
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n->walkdef = 1;
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n->type = typ(TFORW);
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n->type->sym = n->sym;
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intypedef++;
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if(intypedef > 1)
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deftypequeue = list(deftypequeue, n);
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else {
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walkdeftype(n);
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while(deftypequeue != nil) {
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NodeList *l;
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l = deftypequeue;
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deftypequeue = nil;
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for(; l; l=l->next)
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walkdeftype(l->n);
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}
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}
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intypedef--;
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walkdeftype(n);
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break;
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case OPACK:
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@ -19,9 +19,9 @@ type I4 interface {
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}
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type I5 interface {
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I6 // ERROR "interface"
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I6
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}
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type I6 interface {
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I5
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I5 // ERROR "interface"
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}
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16
test/fixedbugs/bug256.go
Normal file
16
test/fixedbugs/bug256.go
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@ -0,0 +1,16 @@
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// errchk $G -e $D/$F.go
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type T U // bogus "invalid recursive type T" from 6g
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type U int
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const x T = 123
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type V V // ERROR "invalid recursive type"
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@ -150,3 +150,17 @@ throw: interface conversion
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panic PC=xxx
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== bugs/
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=========== bugs/bug250.go
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bugs/bug250.go:14: interface type loop involving I1
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bugs/bug250.go:17: need type assertion to use I2 as I1
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missing m() I2
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BUG: bug250
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=========== bugs/bug251.go
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BUG: errchk: bugs/bug251.go:11: missing expected error: 'loop|interface'
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errchk: bugs/bug251.go: unmatched error messages:
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==================================================
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bugs/bug251.go:15: interface type loop involving I1
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bugs/bug251.go:19: need type assertion to use I2 as I1
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==================================================
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