[Bug middle-end/19779] IBM 128bit long double format is not constant folded.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19779

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yeah, I'm not asking for it to be fixed, just noting here that it affects C++
constant expressions.