[Bug c++/53305] internal crash with variadic templates and decltype

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53305

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> 2012-06-26 
03:42:44 UTC ---
Author: jason
Date: Tue Jun 26 03:42:34 2012
New Revision: 188973

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188973
Log:
    PR c++/53498
    PR c++/53305
    * pt.c (tsubst_decl) [PARM_DECL]: Don't recurse into DECL_CHAIN
    if cp_unevaluated_operand is set.
    (tsubst_copy) [PARM_DECL]: Don't copy before tsubsting.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/decltype38.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic132.C