[Bug c++/92831] CWG1299 extend_ref_init_temps_1 punts on COND_EXPRs

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92831

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47434
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47434&action=edit
gcc10-pr92831.patch

Untested fix.