[Bug c++/127856] [17 Regression] class with a `std::meta::info` member and a default member initializer, instantiated as a local at `-O1`+: ICE in `type_contains_placeholder_1` (tree.cc:4463) during `ealias`/`esra` since r17-4197

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127856

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |17.0
   Last reconfirmed|                            |2026-10-12
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
             Blocks|                            |123615
            Summary|[GCC C++26 reflection]      |[17 Regression] class with
                   |class with a                |a `std::meta::info` member
                   |`std::meta::info` member    |and a default member
                   |and a default member        |initializer, instantiated
                   |initializer, instantiated   |as a local at `-O1`+: ICE
                   |as a local at `-O1`+: ICE   |in
                   |in                          |`type_contains_placeholder_
                   |`type_contains_placeholder_ |1` (tree.cc:4463) during
                   |1` (tree.cc:4463) during    |`ealias`/`esra` since
                   |`ealias`/`esra`             |r17-4197
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
ICE started with r17-4197-g127bd0f40827d7472cebacd2093d3379ec25dbd7


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123615
[Bug 123615] (c++-reflection) - [meta-bug] reflection issue