https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98859
Yongwei Wu <wuyongwei at gmail dot com> changed:
What |Removed |Added
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CC| |wuyongwei at gmail dot com
--- Comment #2 from Yongwei Wu <wuyongwei at gmail dot com> ---
Here is anotehr good reason:
https://stackoverflow.com/questions/48045470/portably-detect-va-opt-support/48045656
People can detect the presence of __VA_OPT__ support. Currently, the detection
code would cause warnings when -std is set to something like "c++17" (though
luckily not "gnu++17").
