Akim Demaille a5c55bb758 c++: beware of Visual C++ limitations ...

Contrary to what commit d8cc6b073e "c++:
shorten the assertions that check whether tokens are correct"
believed, MS Visual C++'s preprocessor limitation is not on the input
line length, but on the size of the line holding the full C++
statement.

Reported by Vince Huffaker <vince@vincejulie.com>
<https://lists.gnu.org/r/help-bison/2021-08/msg00003.html>

* data/skeletons/variant.hh (_b4_symbol_constructor_define): Hide the
assertion from Visual C++.

2021-08-29 10:10:56 +02:00

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