Issue metadata
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Border is not rendered at all
Reported by
l...@vision6.com.au,
Jul 4 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36 Steps to reproduce the problem: 1. Create a web page with the following source code 2. Open the webpage in Chrome 59 JS Fiddle: https://jsfiddle.net/a6g225wh/ <!DOCTYPE html> <html> <body> <style> .child { padding: 20px; border-top: 1px solid rgba(57, 69, 88, 0.12) } .child:last-child { border-bottom: 1px solid rgba(57, 69, 88, 0.12) } </style> <div> <div class="child">Item 1</div> <div class="child">Item 2</div> <div class="child">Item 3</div> </div> </body> </html> What is the expected behavior? Item 3 has a top and bottom border What went wrong? Item 3 has no top or bottom border Did this work before? N/A Does this work in other browsers? N/A Chrome version: 59.0.3071.115 Channel: stable OS Version: 10.0 Flash Version: Shockwave Flash 26.0 r0
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Jul 4 2017
This works in other browsers and in Chrome 58 and before. It only started happening in the latest Chrome 59.
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Jul 5 2017
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Jul 5 2017
Able to reproduce the issue using #59.0.3071.115 on Win 10 and Mac 10.12.5. Below is the bisect info ======================== Good Build: 59.0.3040.0 (Revision: 456312) Bad Build : 59.0.3041.0 (Revision: 456562) Unable to provide the tool bisect info as all good builds are invoking using per-revision-bisect. Manual CHANGELOG URL: https://chromium.googlesource.com/chromium/src/+log/59.0.3040.0..59.0.3041.0?pretty=fuller&n=10000 Unable to find the suspect from above log. Hence untriaging the issue to get more inputs from dev. Note: 1. Issue is not seen in latest Beta, Dev, Canary channels 2. Issue is not seen in Linux Thanks!!
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Jul 5 2017
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Jul 5 2017
Looks related to crbug.com/738841
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Jul 6 2017
After testing issue is caused by the Alpha value. The opacity can not be the same and the value needs to be .003 higher or lower.
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Jul 7 2017
> Able to reproduce the issue using #59.0.3071.115 on Win 10 and Mac 10.12.5. Unable to reproduce using #59.0.3071.115 on Linux.
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Jul 7 2017
https://chromium.googlesource.com/chromium/src/+/1ba1ed8d70cc0f0db142b64bbefb997ef8efbe3c This Skia roll includes a patch related to alpha values. Could it be the cause? Meanwhile I'll own it as I seem to own all things border painting related (except tables).
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Jul 7 2017
I don't think that change is related. It added a function that wasn't used until subsequent changes landed.
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Jul 7 2017
Given this does not repro in anything beyond stable (according to comment #4) I think we do not fix it. There won't be any merges into M-59 anyway. |
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Comment 1 by l...@vision6.com.au
, Jul 4 20176.4 KB
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