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gc: bug306

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Fixes #1040.

R=ken2
CC=golang-dev
https://golang.org/cl/2132047
This commit is contained in:
Russ Cox 2010-09-13 15:42:14 -04:00
parent dfb895ad97
commit c3900387db
5 changed files with 26 additions and 2 deletions
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2
src/cmd/gc/print.c
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@ -192,7 +192,7 @@ exprfmt(Fmt *f, Node *n, int prec)
exprfmt(f, n->left, 0); exprfmt(f, n->left, 0);
} else { } else {
fmtprint(f, " "); fmtprint(f, " ");
if(n->left->op == OTCHAN && n->left->etype == Crecv) { if(n->left->op == OTCHAN && n->left->sym == S && n->left->etype == Crecv) {
fmtprint(f, "("); fmtprint(f, "(");
exprfmt(f, n->left, 0); exprfmt(f, n->left, 0);
fmtprint(f, ")"); fmtprint(f, ")");

2
src/cmd/gc/subr.c
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@ -1161,7 +1161,7 @@ Tpretty(Fmt *fp, Type *t)
case Csend: case Csend:
return fmtprint(fp, "chan<- %T", t->type); return fmtprint(fp, "chan<- %T", t->type);
} }
if(t->type != T && t->type->etype == TCHAN && t->type->chan == Crecv) if(t->type != T && t->type->etype == TCHAN && t->type->sym == S && t->type->chan == Crecv)
return fmtprint(fp, "chan (%T)", t->type); return fmtprint(fp, "chan (%T)", t->type);
return fmtprint(fp, "chan %T", t->type); return fmtprint(fp, "chan %T", t->type);

9
test/fixedbugs/bug306.dir/p1.go Normal file
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@ -0,0 +1,9 @@
// Copyright 2010 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.
package p1
type T <-chan int
var x = make(chan T)

8
test/fixedbugs/bug306.dir/p2.go Normal file
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@ -0,0 +1,8 @@
// Copyright 2010 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.
package p2
import _ "./p1"

7
test/fixedbugs/bug306.go Normal file
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@ -0,0 +1,7 @@
// $G $D/$F.dir/p1.go && $G $D/$F.dir/p2.go
// Copyright 2010 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.
ignored