[Bug ipa/61659] [4.9/5 Regression] Extra undefined symbol because of devirtualization

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61659

--- Comment #22 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Aug 19 17:29:41 2014
New Revision: 214177

URL: https://gcc.gnu.org/viewcvs?rev=214177&root=gcc&view=rev
Log:
    PR lto/53808
    PR c++/61659
    * decl.c (maybe_commonize_var): Don't use DECL_COMDAT to trigger
    comdat_linkage.

Added:
    trunk/gcc/testsuite/g++.dg/abi/spec1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c