[Webkit-unassigned] [Bug 179750] New: REGRESSION(r224887): GCC 5 build broken

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179750

            Bug ID: 179750
           Summary: REGRESSION(r224887): GCC 5 build broken
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org, jer.noble at apple.com

r224887 avoids relying on implementation-defined behavior (multichar constants). We don't want to roll out that commit.

But it also breaks the build with GCC 5. We'd like to continue supporting GCC 5 in trunk for another half a year, as per https://trac.webkit.org/wiki/WebKitGTK/DependenciesPolicy.

This is actually pretty difficult and messy, but I think I have a solution that works for GCC 5 without sacrificing Jer's nice constexpr constructor when using newer compilers.

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