[Bug c++/62282] [4.8/4.9/5 Regression] Undefined reference with __inline __attribute(__gnu_inline__) with -O0

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62282

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Why is this marked as a regression btw?  From what I can see, already G++ 4.3
behaved this way, and G++ 4.3 was the first release to support gnu_inline
attribute in C++.