[Bug c++/93248] [8/9/10 Regression] ICE in decltype of template constructor with default argument within a class template since r8-2712

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93248

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-01-14
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |jason at gcc dot gnu.org
            Summary|[8/9/10 Regression] ICE in  |[8/9/10 Regression] ICE in
                   |decltype of template        |decltype of template
                   |constructor with default    |constructor with default
                   |argument within a class     |argument within a class
                   |template                    |template since r8-2712
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r8-2712-g4cc20315a7e67b6ebbdbfbb736122476bf28f041
Reduced testcase for -std=c++17:
template <typename T> struct S { template <typename V> S (T, V, long = 0); };
using U = decltype(S{0, 4u});