[cfe-dev] -Wglobal-constructors warns on constexpr default constructor evaluated at compile-time?

[Friedman, Eli via cfe-dev]

On 1/16/2018 4:14 AM, Gabriel Charette via cfe-dev wrote:
> I would indeed expect, like Primiano, that -Wglobal-constructors would 
> only warn about *con*structors (one can decide to mitigate global 
> *de*structors another way, e.g. by invoking _exit() before end of main()).
The point of -Wglobal-constructors is to avoid code which runs at 
process startup.  Due to the way the C++ ABI works, a global destructor 
involves emitting a call to __cxa_atexit which runs at startup, so we warn.

-Eli

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