Differences in compilers can cause badness with the way we currently do the padding of CopiedBlock to ensure that the payload is 8-byte aligned. We can refactor CopiedBlock in such a way as to make this a non-issue.
Created attachment 128846 [details] Patch
Comment on attachment 128846 [details] Patch Looks right.
The commit-queue encountered the following flaky tests while processing attachment 128846 [details]: inspector/protocol/console-agent.html bug 79563 (authors: caseq@chromium.org, loislo@chromium.org, and pfeldman@chromium.org) The commit-queue is continuing to process your patch.
Comment on attachment 128846 [details] Patch Clearing flags on attachment: 128846 Committed r108888: <http://trac.webkit.org/changeset/108888>
All reviewed patches have been landed. Closing bug.
Nice. m_dummy should be deleted as well.
Mark's comments in Radar that he believes this resolves rdar://10937628.