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cmd/compile: fix static-initialization compilation failure

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Fixes #13263.

Change-Id: Ie1cafc62b6bfe6c5381c35d9a95563267b4cc9b0
Reviewed-on: https://go-review.googlesource.com/33970
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Matthew Dempsky 2016-12-05 15:57:45 -08:00
parent 8adff32bac
commit 749720a036
2 changed files with 18 additions and 1 deletions
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4
src/cmd/compile/internal/gc/sinit.go
View file

@ -295,7 +295,9 @@ func staticcopy(l *Node, r *Node, out *[]*Node) bool {
if staticcopy(l, r, out) {
return true
}
*out = append(*out, nod(OAS, l, r))
// We may have skipped past one or more OCONVNOPs, so
// use conv to ensure r is assignable to l (#13263).
*out = append(*out, nod(OAS, l, conv(r, l.Type)))
return true
case OLITERAL:

15
test/fixedbugs/issue13263.go Normal file
View file

@ -0,0 +1,15 @@
// compile
// Copyright 2016 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 b
var (
x uint
y = x
z = uintptr(y)
a = uint32(y)
b = uint64(y)
)