[Bug c++/103827] function which takes an argument via (hidden) reference should assume the argument does not escape or is only read from

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103827

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, that object is defined const so can't be changed. But is this something we
care about? Is it important to apply this optimization to noinline functions?