[Bug c++/96717] -flifetime-dse=2 breaks webkit-gtk-2.28.4

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96717

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 49085
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49085&action=edit
Preprocessed source for a.cc