[Bug libstdc++/89090] vector.tcc uses "if constexpr" in C++11 mode

redi at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Jan 29 12:06:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89090

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Csaba Ráduly from comment #2)
> > Are you actually seeing a problem because of this?
> 
> Not as such. What I did was to generate the pre-processed output, replace #s
> with // (so the line numbers are the raw ones for the raw preprocessed file)
> and compile it as if it were a regular C++ file.

... why?

Just don't do that. The # lines affect how the code is compiled and are a
necessary part of the standard library implementation.


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