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gc: fix error for +string

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Fixes #1710.

R=ken2
CC=golang-dev
https://golang.org/cl/4444054
This commit is contained in:
Russ Cox 2011-04-20 16:12:47 -04:00
parent c9164a5d77
commit ec735c4ec8
2 changed files with 14 additions and 1 deletions
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2
src/cmd/gc/align.c
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@ -530,7 +530,7 @@ typeinit(void)
okfor[OCOM] = okforand; okfor[OCOM] = okforand;
okfor[OMINUS] = okforarith; okfor[OMINUS] = okforarith;
okfor[ONOT] = okforbool; okfor[ONOT] = okforbool;
okfor[OPLUS] = okforadd; okfor[OPLUS] = okforarith;
// special // special
okfor[OCAP] = okforcap; okfor[OCAP] = okforcap;

13
test/fixedbugs/bug330.go Normal file
View File

@ -0,0 +1,13 @@
// errchk $G -e $D/$F.go
// Copyright 2011 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 main
func main() {
x := ""
x = +"hello" // ERROR "invalid operation.*string"
x = +x // ERROR "invalid operation.*string"
}