[Bug ipa/96252] [13/14/15/16 Regression] missed optimization where identical functions have very different codegen since gcc 10

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96252

--- Comment #17 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 62565
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62565&action=edit
Non-ICF testcase

Note with this non-icf version of the testcase, LLVM has the same issue as GCC
producing the extra copy too.