[Bug c++/71814] [6/7 Regression] ICE on valid C++11 code: in write_type, at cp/mangle.c:2158

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71814

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jul 15 18:38:15 2016
New Revision: 238389

URL: https://gcc.gnu.org/viewcvs?rev=238389&root=gcc&view=rev
Log:
        PR c++/71814 - mangling sizeof... (sP and sZ)

gcc/cp/
        * mangle.c (write_expression): Handle sizeof... an argument pack.
libiberty/
        * cp-demangle.c (cplus_demangle_operators): Add sP and sZ.
        (d_print_comp_inner): Handle them.
        (d_template_args_1): Split out from d_template_args.
        (d_args_length): New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle1.C
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle1a.C
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle2.C
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle2a.C
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle3.C
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic-mangle3a.C
Modified:
    trunk/gcc/common.opt
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/mangle.c
    trunk/libiberty/ChangeLog
    trunk/libiberty/cp-demangle.c
    trunk/libiberty/testsuite/demangle-expected