[Bug lto/59582] LTO discards symbol that defined as weak elsewhere

[joey.ye at arm dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59582

--- Comment #5 from Joey Ye <joey.ye at arm dot com> ---
HJ, do you know which patch fixed this issue? I might need to backport it into
local 2.23 branch.