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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 | 7e6c626509297af000cea27c981a41d8b614b900 (patch) | |
| tree | a7e54c7aefcfe3e7198cb87cd267cb6293686bdc /test/range.go | |
| parent | ac1cd969102d920aecef687b6769a782dd0a85e7 (diff) | |
| download | go-7e6c626509297af000cea27c981a41d8b614b900.tar.gz | |
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 issue 3464.
R=ken2
CC=golang-dev
http://codereview.appspot.com/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 b0f3ae605..68b0c9a2f 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() { |