commit | 33b648c0e9428c8775043db75fdff5864a64219a | [log] [tgz] |
---|---|---|
author | Keith Randall <khr@golang.org> | Fri Mar 27 22:03:33 2020 -0700 |
committer | Keith Randall <khr@golang.org> | Mon Mar 30 17:25:29 2020 +0000 |
tree | 8eea75f3d8068e06f4ae6c8b06a1be9274df025a | |
parent | 5a312288799c0a433e2061550ff92689b627e080 [diff] |
cmd/compile: fix ephemeral pointer problem on amd64 Make sure we don't use the rewrite ptr + (c + x) -> c + (ptr + x), as that may create an ephemeral out-of-bounds pointer. I have not seen an actual bug caused by this yet, but we've seen them in the 386 port so I'm fixing this issue for amd64 as well. The load-combining rules needed to be reworked somewhat to still work without the above broken rule. Update #37881 Change-Id: I8046d170e89e2035195f261535e34ca7d8aca68a Reviewed-on: https://go-review.googlesource.com/c/go/+/226437 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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