[Bug c++/77852] ICE when deducing class template arguments for pair or tuple

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77852

--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Wed Oct  5 01:24:38 2016
New Revision: 240765

URL: https://gcc.gnu.org/viewcvs?rev=240765&root=gcc&view=rev
Log:
        PR c++/77852 - class deduction from list-init

        * pt.c (do_class_deduction): Handle list-initialization.
        (do_auto_deduction): Call it sooner.
        (build_deduction_guide): Use tsubst_arg_types.
        (rewrite_template_parm): Don't copy_type.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction14.C
    trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction15.C
    trunk/gcc/testsuite/g++.dg/cpp1z/class-deduction16.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/c-family/c-common.h
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c