In file included from missing_ctor_dllexport.cpp:5:
./missing_ctor_dllexport.h:23:1: warning: [chromium-style] Complex class/struct needs an explicit out-of-line constructor.
class __declspec(dllexport) MissingCtorsArentOKInHeader {
^
./missing_ctor_dllexport.h:47:3: warning: [chromium-style] Complex constructor has an inlined body.
  ExplicitlyDefaultedInlineAlsoWarns() = default;
  ^
./missing_ctor_dllexport.h:49:3: warning: [chromium-style] Complex constructor has an inlined body.
  ExplicitlyDefaultedInlineAlsoWarns(
  ^
./missing_ctor_dllexport.h:51:3: warning: [chromium-style] Complex constructor has an inlined body.
  ExplicitlyDefaultedInlineAlsoWarns(ExplicitlyDefaultedInlineAlsoWarns&&) =
  ^
4 warnings generated.