[Bug c++/107242] ICE: tree check: expected complex_cst, have plus_expr in output_constant, at varasm.cc:5284 with frounding-math

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107242

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> I think that either the C++ frontend needs to reject this code or we need to
> ignore -frounding-math in constant folding this (I think we do that
> elsewhere).
> 
> x86 is fine, presumambly because of ... !?

Because of the gimplifier deciding it should do the complex float move struct
by peices rather than a block.