add C ABI tests with double

const DC = extern struct { v1: f64, v2: u8 };
const CFF = extern struct { v1: u8, v2: f32, v3: f32 };
const PD = extern struct { v1: ?*anyopaque, v2: f64 };

Signed-off-by: Guillaume Wenzek <gwenzek@users.noreply.github.com>
4428e3837cGuillaume Wenzek committed on 1/9/2023, 9:33:27 PM· committed by Andrew Kelleyparent1702404
2 files changedLine totals unavailable