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Issue 699505 link

Starred by 1 user
Status: WontFix
Owner:
█ msten...@opera.com
NOT IN USE
Closed: Mar 2017
Cc:
█ hdodda@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 3
Type: Bug



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Elements with bottom margin/padding provoke wrong top alignment in multi-column layout

Reported by sirik...@gmail.com, Mar 8 2017 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Steps to reproduce the problem:
1. Create a div with CSS 'column-count' greater than 1
2. Put 3 (or any odd number) elements with margin-bottom greater than 0 inside the div with 'column-count'.
3. For example, with column-count: 2 and 4 childs, it aligns correctly.
4. But, with column-count: 2 and 3 childs (or any odd number) the second column doesn't align properly to top.

What is the expected behavior?
The second column should align properly to top.

What went wrong?
The second column isn't aligned properly to top.

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 56.0.2924.87  Channel: stable
OS Version: 10.0
Flash Version: 

Sorry if it's duplicated, but couldn't find it, first time submitting a bug here.

Comment 1 Deleted

Comment 2 by sirik...@gmail.com, Mar 8 2017 

File with code which reproduces the problem is attached.
multicolumnbug.zip
584 bytes Download

Comment 3 by ligim...@chromium.org, Mar 8 2017

Labels: Needs-Triage-M56

Comment 4 by hdodda@chromium.org, Mar 9 2017

Cc: hdodda@chromium.org
Labels: -Needs-Triage-M56 hasbisect-per-revision M59 OS-Linux OS-Mac
Status: Untriaged (was: Unconfirmed)
Able to reproduce this issue on windows 7 &10 , ubuntu 14.04 and mac os 10.12.2 using chrome M56 #56.0.2924.87 and M59 #59.0.3035.0 

This is a regression issue , broken in M50 and provided below bisect results.
Good Build : 50.0.2653.0 (revision : 375741)
Bad Build : 50.0.2655.0 (revision : 376333)

You are probably looking for a change made after 376240 (known good), but no later than 376265 (first known bad).

CHANGELOG URL:

The script might not always return single CL as suspectas some perf builds might get missing due to failure.

 https://chromium.googlesource.com/chromium/src/+log/d118af36c75a1be3073cb28ff28e9830716abf9d..a7b11018d068660d8a285d22dcd693eb064ef98e

From the above CL's unable to find the suspect , requesting someone to help in assigning this to concern owner .

Marking it as untraiged for further inputs on this.

Thanks!

Comment 5 by e...@chromium.org, Mar 13 2017

Components: -Blink>Layout Blink>Layout>MultiCol
Labels: -Pri-2 Pri-3
Owner: msten...@opera.com
Status: Available (was: Untriaged)

Comment 6 by msten...@opera.com, Mar 13 2017

Status: WontFix (was: Available)
Works fine now, in unstable. Doesn't work in Chrome 55. Probably duplicate of  bug 440362 , but I didn't check.
demo.html
291 bytes View Download

Comment 7 by sirik...@gmail.com, Mar 13 2017 

Confirm, just tested it in Chrome 57 Stable and works fine.

Comment 8 by ddorwin@chromium.org, Jun 9 2017

Labels: -M59 M-59
►

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