SourceCodePosition is now used by ScriptSyntaxTree, but was never added to Test.html. This broke in https://webkit.org/b/187612.
Created attachment 344943 [details] Patch
Comment on attachment 344943 [details] Patch rs=me
Comment on attachment 344943 [details] Patch Clearing flags on attachment: 344943 Committed r233800: <https://trac.webkit.org/changeset/233800>
All reviewed patches have been landed. Closing bug.
<rdar://problem/42170424>