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cmd/compile: early typecheck top level OAS2 nodes

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Fixes #10977.

Change-Id: I706c953c16daad48595c7fae2d82124614dfc3ad
Reviewed-on: https://go-review.googlesource.com/10780
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Josh Bleecher Snyder 2015-06-05 10:39:23 -07:00
parent e597e63d6a
commit 494ff188f8
2 changed files with 22 additions and 2 deletions
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4
src/cmd/compile/internal/gc/lex.go
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@ -370,7 +370,7 @@ func Main() {
defercheckwidth()
for l := xtop; l != nil; l = l.Next {
if l.N.Op != ODCL && l.N.Op != OAS {
if l.N.Op != ODCL && l.N.Op != OAS && l.N.Op != OAS2 {
typecheck(&l.N, Etop)
}
}
@ -378,7 +378,7 @@ func Main() {
// Phase 2: Variable assignments.
// To check interface assignments, depends on phase 1.
for l := xtop; l != nil; l = l.Next {
if l.N.Op == ODCL || l.N.Op == OAS {
if l.N.Op == ODCL || l.N.Op == OAS || l.N.Op == OAS2 {
typecheck(&l.N, Etop)
}
}

20
test/fixedbugs/issue10977.go Normal file
View file

@ -0,0 +1,20 @@
// compile
// Copyright 2015 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 p
type T struct{}
var (
t = T{}
u = t.New()
)
func x(T) (int, int) { return 0, 0 }
var _, _ = x(u)
func (T) New() T { return T{} }