[Bug c++/62224] [4.9 Regression] Possible regression in gcc-4.9-20140820

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62224

--- Comment #15 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Sep  9 11:57:25 2014
New Revision: 215061

URL: https://gcc.gnu.org/viewcvs?rev=215061&root=gcc&view=rev
Log:
    PR c++/61214
    PR c++/62224
gcc/
    * gimple-fold.c (can_refer_decl_in_current_unit_p): Don't allow
    reference to a DECL_EXTERNAL COMDAT.
gcc/cp/
    * decl2.c (decl_needed_p): Revert virtual functions change.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/g++.dg/ipa/devirt-40.C
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/cp/ChangeLog
    branches/gcc-4_9-branch/gcc/cp/decl2.c
    branches/gcc-4_9-branch/gcc/gimple-fold.c
    branches/gcc-4_9-branch/gcc/testsuite/g++.dg/ipa/devirt-39.C