[Bug c++/68049] [5/6 Regression] template instantiation involving may_alias defines symbol twice

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68049

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Feb 25 14:10:03 2016
New Revision: 233717

URL: https://gcc.gnu.org/viewcvs?rev=233717&root=gcc&view=rev
Log:
        PR c++/68049
        * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/ext/attribute-may-alias-3.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/tree.c