Do we still need HasSrcSpan, SrcSpanLess?
Now that !1970 (closed) has landed, I don't think HasSrcSpan serves any purpose. We could probably make the code simpler by removing it and all the dL-> patterns.
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Now that !1970 (closed) has landed, I don't think HasSrcSpan serves any purpose. We could probably make the code simpler by removing it and all the dL-> patterns.