[Bug c++/121445] [13/14/15/16 Regression] ICE in build_data_member_initialization when compiling constexpr constructor with nested non-literal types (C++23) since r5-5013

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121445

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

           What    |Removed                     |Added
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           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 62858
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62858&action=edit
gcc16-pr121445.patch

Untested fix.  Another way to fix this would be mark the INIT_EXPRs created for
member initializers with some lang flag and only look at INIT_EXPRs with such
a lang flag in this function.