https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91973
--- Comment #6 from qinzhao at gcc dot gnu.org --- (In reply to jos...@codesourcery.com from comment #5) > We're talking about the sequence of pp-tokens in the expansion of bar(foo, > addr), which is (foo) (addr), where foo is followed by ), not about the > definition. okay, now I understand and agree. > > Please take any further questions on this to gcc-help; this question is > not appropriate for Bugzilla since it does not involve a bug or any other > kind of deficiency in GCC. Okay.