At some point, CachedResource::url() starts returning URL without fragment. This breaks invariant in module loader and one of WPT test is crashing.
Created attachment 387422 [details] Patch
Created attachment 387423 [details] Patch
Maybe, this? https://bugs.webkit.org/show_bug.cgi?id=159705
Created attachment 387426 [details] Patch
Committed r254408: <https://trac.webkit.org/changeset/254408>
<rdar://problem/58507472>