[Webkit-unassigned] [Bug 214589] REGRESSION(r264639): Intl.DisplayNames tests failing on all architectures

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214589

--- Comment #8 from Michael Catanzaro <mcatanzaro at gnome.org> ---
(In reply to Michael Catanzaro from comment #4)
> I think our internal CI may be using some custom environment with a strange
> version of ICU. I've asked to learn more.

Turns out it's running Fedora 31, which has ICU 63. Surprise for me.

So in summary, you have tested ICU 61, 64, 66, and 67, while I've tested ICU 63 and 65. You found ICU 61 and 67 print "Traditional Chinese" while ICU 64 and 66 print "Chinese, Traditional". Meanwhile, I found that both ICU 63 and 65 print "Traditional Chinese".

Conclusion: odd-numbered versions use "Traditional Chinese" while even-numbered versions use "Chinese, Traditional" so we need only check $vm.icuVersion() % 2 :D

More seriously, I'll guess the behavior has maybe been changed in minor release versions, but I've failed to find any relevant commit in the ICU git repo. Probably I'll try to make the test work either way without checking the version.

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