We can create the RefCountedArray<Instruction> directly instead of first creating a Vector<Instruction> and then building the RefCountedArray from that.
Created attachment 262827 [details] Patch
*** Bug 149998 has been marked as a duplicate of this bug. ***
Comment on attachment 262827 [details] Patch Clearing flags on attachment: 262827 Committed r190843: <http://trac.webkit.org/changeset/190843>
All reviewed patches have been landed. Closing bug.