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cmd/compile: don't implicitly dereference pointer to arrays for real/imag
Fixes #20602. Change-Id: Iac1589484dec626c018314e0cea7efce091fd87d Reviewed-on: https://go-review.googlesource.com/45075 Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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@ -1349,7 +1349,9 @@ OpSwitch:
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}
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n.Left = typecheck(n.Left, Erv)
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n.Left = defaultlit(n.Left, nil)
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n.Left = implicitstar(n.Left)
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if n.Op == OCAP || n.Op == OLEN {
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n.Left = implicitstar(n.Left)
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}
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l := n.Left
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t := l.Type
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if t == nil {
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14
test/fixedbugs/issue20602.go
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14
test/fixedbugs/issue20602.go
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@ -0,0 +1,14 @@
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// errorcheck
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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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// Verify that the correct (not implicitly dereferenced)
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// type is reported in the error message.
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package p
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var p = &[1]complex128{0}
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var _ = real(p) // ERROR "type \*\[1\]complex128"
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var _ = imag(p) // ERROR "type \*\[1\]complex128"
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