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cmd/gc: fix inlining bug with receive operator.
The receive operator was given incorrect precedence resulting in incorrect deletion of parentheses. Fixes #3843. R=rsc CC=golang-dev, remy https://golang.org/cl/6442049
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@ -964,7 +964,6 @@ static int opprec[] = {
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[OPAREN] = 8,
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[OPRINTN] = 8,
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[OPRINT] = 8,
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[ORECV] = 8,
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[ORUNESTR] = 8,
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[OSTRARRAYBYTE] = 8,
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[OSTRARRAYRUNE] = 8,
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@ -996,6 +995,7 @@ static int opprec[] = {
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[OMINUS] = 7,
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[OADDR] = 7,
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[OIND] = 7,
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[ORECV] = 7,
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[OMUL] = 6,
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[ODIV] = 6,
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11
test/fixedbugs/bug448.dir/pkg1.go
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11
test/fixedbugs/bug448.dir/pkg1.go
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@ -0,0 +1,11 @@
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// Copyright 2012 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 pkg1
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var x = make(chan interface{})
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func Do() int {
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return (<-x).(int)
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}
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14
test/fixedbugs/bug448.dir/pkg2.go
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14
test/fixedbugs/bug448.dir/pkg2.go
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@ -0,0 +1,14 @@
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// Copyright 2012 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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// Issue 3843: inlining bug due to wrong receive operator precedence.
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package pkg2
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import "./pkg1"
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func F() {
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pkg1.Do()
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}
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7
test/fixedbugs/bug448.go
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7
test/fixedbugs/bug448.go
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@ -0,0 +1,7 @@
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// compiledir
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// Copyright 2012 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 ignored
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