| commit | 6ef7794b24f7c8890c673436d8509b83def2ce27 | [log] [tgz] |
|---|---|---|
| author | Alex Brainman <alex.brainman@gmail.com> | Sat Nov 09 19:06:24 2019 +1100 |
| committer | Brad Fitzpatrick <bradfitz@golang.org> | Fri Dec 06 05:10:34 2019 +0000 |
| tree | 17f430d87e42cc8e65001829f057420b68dc42ad | |
| parent | b81e01dc2ee9cb586b971f6a86cf0f32a0af69ba [diff] |
all: fix most of the remaining windows -d=checkptr violations This change replaces buf := [HUGE_CONST]*T)(unsafe.Pointer(p))[:] with buf := [HUGE_CONST]*T)(unsafe.Pointer(p))[:n:n] Pointer p points to n of T elements. New unsafe pointer conversion logic verifies that both first and last elements point into the same Go variable. This change replaces [:] with [:n:n] to please pointer checker. According to @mdempsky, compiler specially recognizes when you combine a pointer conversion with a full slice operation in a single expression and makes an exception. After this, only one failure in net remains when running: go test -a -short -gcflags=all=-d=checkptr std cmd Updates #34972 Change-Id: I2c8731650c856264bc788e4e07fa0530f7c250fa Reviewed-on: https://go-review.googlesource.com/c/go/+/208617 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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