[Bug c++/79790] [C++17] ICE class template argument deduction failed

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79790

--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:30:01 2017
New Revision: 252297

URL: https://gcc.gnu.org/viewcvs?rev=252297&root=gcc&view=rev
Log:
/cp
2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/79790
        * pt.c (do_class_deduction): Handle the case of no viable implicit
        deduction guides; simplify the code generating implicit deduction
        guides.

/testsuite
2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/79790
        * g++.dg/cpp1z/class-deduction42.C: New.

Modified:
    branches/range-gen2/gcc/cp/ChangeLog
    branches/range-gen2/gcc/cp/pt.c
    branches/range-gen2/gcc/testsuite/ChangeLog