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f22ef70254
Historically, gc optimistically parsed the left-hand side of assignments as expressions. Later, if it discovered a ":=" assignment, it rewrote the parsed expressions as declarations. This failed in the presence of dot imports though, because we lost information about whether an imported object was named via a bare identifier "Foo" or a normal qualified "pkg.Foo". This CL fixes the issue by specially noding the left-hand side of ":=" assignments. Fixes #22076. Change-Id: I18190ecdb863112e7d009e1687e6112eec559921 Reviewed-on: https://go-review.googlesource.com/66810 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Daniel Martí <mvdan@mvdan.cc> Reviewed-by: Robert Griesemer <gri@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
26 lines
427 B
Go
26 lines
427 B
Go
// compile
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// Copyright 2017 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 22076: Couldn't use ":=" to declare names that refer to
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// dot-imported symbols.
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package p
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import . "bytes"
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var _ Reader // use "bytes" import
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func _() {
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Buffer := 0
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_ = Buffer
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}
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func _() {
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for Buffer := range []int{} {
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_ = Buffer
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}
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}
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