[Bug c/102967] confusing location in -Waddress for a subexpression of a ternary expression

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102967

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
The expression pa->c is only valid if pa points to a valid object.