[Bug c++/88103] [7/8/9 Regression] Wrong value category when conditional expression result is used as object expression

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88103

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45126
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45126&action=edit
gcc9-pr88103.patch

Untested fix.