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| author | Russ Cox <rsc@golang.org> | 2012-05-24 23:05:36 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2012-05-24 23:05:36 -0400 |
| commit | 51072eb1fb2c380284cd0f87e61d1589201c3eea (patch) | |
| tree | 12867624528dcbdac61ba1af36ae029f794c510f /test/range.go | |
| parent | bf18d57d4a186302ed7a3b07d60cd6facda08a71 (diff) | |
| download | go-51072eb1fb2c380284cd0f87e61d1589201c3eea.tar.gz go-51072eb1fb2c380284cd0f87e61d1589201c3eea.zip | |
cmd/gc: fix parallel assignment in range
for expr1, expr2 = range slice
was assigning to expr1 and expr2 in sequence
instead of in parallel. Now it assigns in parallel,
as it should. This matters for things like
for i, x[i] = range slice.
Fixes #3464.
R=ken2
CC=golang-dev
https://golang.org/cl/6252048
Diffstat (limited to 'test/range.go')
| -rw-r--r-- | test/range.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/range.go b/test/range.go index b0f3ae605a..68b0c9a2f3 100644 --- a/test/range.go +++ b/test/range.go @@ -58,6 +58,17 @@ func testslice() { println("wrong sum ranging over makeslice") panic("fail") } + + x := []int{10, 20} + y := []int{99} + i := 1 + for i, x[i] = range y { + break + } + if i != 0 || x[0] != 10 || x[1] != 99 { + println("wrong parallel assignment", i, x[0], x[1]) + panic("fail") + } } func testslice1() { |