[Bug plugins/126882] [17 regression] -Wodr in callback-info.h vs plugin.cc

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126882

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
I have to check but most likely the one in plugin.cc should be in an anonymous
namespace.