[Bug c++/61564] #pragma GCC optimize ("-fno-lto") causes the compiler to crash

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61564

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
It's not supposed to be supported to enable/disable LTO with the optimize
pragma.