ac6e77aacf
> We want to remove the latter <placemarker> but not the former one, and > the patch adds the vaopt_padding_tokens counter for it to control > how many placemarkers are removed on vaopt_state::END. > As can be seen in #c1 and #c2 of the PR, I've tried various approaches, > but neither worked out for all the cases except the posted one. I notice that the second placemarker you mention is avoid_paste, which seems relevant. This seems to also work, at least it doesn't seem to break any of the va_opt tests. 2021-09-01 Jason Merrill <jason@redhat.com> * macro.c (replace_args): When __VA_OPT__ is on the LHS of ##, remove trailing avoid_paste tokens. |
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