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strings: Map produces invalid utf-8 when passed PAD (U+0080) [1.10 backport] #25479

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gopherbot opened this issue May 21, 2018 · 3 comments
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strings: Map produces invalid utf-8 when passed PAD (U+0080) [1.10 backport] #25479

gopherbot opened this issue May 21, 2018 · 3 comments
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CherryPickApproved Used during the release process for point releases FrozenDueToAge
Milestone
Go1.10.3

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@gopherbot
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@anupcshan requested issue #25242 to be considered for backport to the next 1.10 minor release.

@gopherbot Please consider this for backport to 1.10, it's a regression.
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label May 21, 2018
@gopherbot gopherbot mentioned this issue May 21, 2018
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@gopherbot gopherbot added this to the Go1.10.3 milestone May 21, 2018
@msolo-dropbox
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This does seem worthy of backport. It looks like the whole 1.9 branch also has this issue which means that anyone on 1.8 or before has to skip two full release cycles, or start maintaining a fork.

What is the likelihood this will be included in 1.10.3?

@rsc
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rsc commented May 25, 2018

@msolo-dropbox, seems likely to me, since the fix was committed on master and this issue exists.
@andybons, can this be backported to Go 1.9 too please?

@andybons andybons added CherryPickApproved Used during the release process for point releases and removed CherryPickCandidate Used during the release process for point releases labels May 25, 2018
@gopherbot
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Change https://golang.org/cl/114635 mentions this issue: [release-branch.go1.10] strings: fix encoding of \u0080 in map

gopherbot pushed a commit that referenced this issue May 26, 2018
@martisch @andybons
[release-branch.go1.10] strings: fix encoding of \u0080 in map
2bded9d 
Fix encoding of PAD (U+0080) which has the same value as utf8.RuneSelf
being incorrectly encoded as \x80 in strings.Map due to using <= instead
of a < comparison operator to check one byte encodings for utf8.

Fixes #25479

Change-Id: Ib6c7d1f425a7ba81e431b6d64009e713d94ea3bc
Reviewed-on: https://go-review.googlesource.com/111286
Run-TryBot: Martin Möhrmann <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>
(cherry picked from commit 8c62fc0)
Reviewed-on: https://go-review.googlesource.com/114635
Run-TryBot: Andrew Bonventre <[email protected]>
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@rsc @andybons @gopherbot @msolo-dropbox