[Bug c++/102335] gcc misses -Wunused-value

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102335

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Internal GCC details:
Most likely because there is a TARGET_EXPR in the IR which causes it to be
considered a side effect:
  <<cleanup_point <<< Unknown tree: expr_stmt
  (void) mytype::memfun (&TARGET_EXPR <D.2411, {}>) >>>>>;