[Bug c++/47971] [4.6 Regression] ICE: in tsubst_copy, at cp/pt.c:11725 on valid code

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47971

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-03-04 
15:18:12 UTC ---
Author: jason
Date: Fri Mar  4 15:18:07 2011
New Revision: 170677

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170677
Log:
    PR c++/47971
    * pt.c (tsubst_copy_and_build) [PSEUDO_DTOR_EXPR]: Use tsubst for type.
    (tsubst_copy) [default]: Just return t if !ENABLE_CHECKING.

Added:
    trunk/gcc/testsuite/g++.dg/template/pseudodtor6.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog