[Bug c++/56247] [4.6/4.7/4.8 Regression] internal compiler error: in tsubst_copy, at cp/pt.c:12131

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56247



--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2013-02-09 
20:39:21 UTC ---

Author: jason

Date: Sat Feb  9 20:39:13 2013

New Revision: 195922



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195922

Log:

    PR c++/56247

    * pt.c (eq_specializations): Set comparing_specializations.

    * tree.c (cp_tree_equal): Check it.

    * cp-tree.h: Declare it.



Added:

    trunk/gcc/testsuite/g++.dg/template/ptrmem23.C

Modified:

    trunk/gcc/cp/ChangeLog

    trunk/gcc/cp/cp-tree.h

    trunk/gcc/cp/pt.c

    trunk/gcc/cp/tree.c