[Bug c++/56543] [4.7/4.8 Regression] ICE on valid code in copy_node_stat

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56543

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-06 15:27:25 UTC ---
Author: jakub
Date: Wed Mar  6 15:27:13 2013
New Revision: 196492

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196492
Log:
    PR c++/56543
    * tree.c (strip_typedefs): Don't copy args if they are NULL.

    * g++.dg/template/typename20.C: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/g++.dg/template/typename20.C
Modified:
    branches/gcc-4_7-branch/gcc/cp/ChangeLog
    branches/gcc-4_7-branch/gcc/cp/tree.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog