[Webkit-unassigned] [Bug 218763] New: stress/intl-datetimeformat-formatrange.js and stress/intl-datetimeformat-formatrange-relevant-extensions.js fail with ICU 65.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218763

            Bug ID: 218763
           Summary: stress/intl-datetimeformat-formatrange.js and
                    stress/intl-datetimeformat-formatrange-relevant-extens
                    ions.js fail with ICU 65.1
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at gnome.org

Yesterday Red Hat upgraded its internal CI to Fedora 32 (ICU 65.1), causing stress/intl-datetimeformat-formatrange-relevant-extensions.js and stress/intl-datetimeformat-formatrange.js to begin failing. The problem is that the space characters used in the range format changed at some point. The current version of the test expects normal ASCII space characters for ICU 67 and newer, and special spaces for older versions of ICU.

The test passes for me locally on Fedora 33 (ICU 67.1), so perhaps we just need to use the new codepath for ICU 65 and 66 as well. I'm going to try this first, but I'm not sure if it will pass EWS. Problem is, we seem to have strange differences in behavior between Apple and Linux. So if this fails EWS, we'll need to find some more creative way to ensure the test passes regardless of which space character ICU decides to use.

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