fix: Fix fn proc macro input again #8808
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#8806 broke the
TokenMap, so none of the tokens in fn-like proc macro inputs could be related to the output (presumably this is because of theclone_for_update).This PR instead just sets
delimiter = None;after theTokenMapandSubtreeare already created.We should probably have more tests for fn-like proc macros, and consider making the behavior consistent with MBE (which require the delimiters to be present).
bors r+