[Bug target/68408] broken support for attribute init_priority

[sorganov at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68408

--- Comment #7 from Sergey Organov <sorganov at gmail dot com> ---
Eric, thank you very much for the quick fix! 

I confirm it is fixed on sparc-elf-g++ (GCC) 5.2.1 20151119.