[Bug tree-optimization/60899] undef reference generated with -fdevirtualize-speculatively

[xinliangli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60899

--- Comment #7 from davidxl <xinliangli at gmail dot com> ---
(In reply to Paul Pluzhnikov from comment #6)
> Google ref: b/13453242

Verified that the proposed patch fixed the problem in b/1345242.