tests/ui/layout/hexagon-enum.rs

   1 // compile-flags: --target hexagon-unknown-linux-musl
   2 // needs-llvm-components: hexagon
   3 //
   4 // Verify that the hexagon targets implement the repr(C) for enums correctly.
   5 //
   6 // See #82100
   7 #![feature(never_type, rustc_attrs, no_core, lang_items)]
   8 #![crate_type = "lib"]
   9 #![no_core]
  10
  11 #[lang="sized"]
  12 trait Sized {}
  13
  14 #[rustc_layout(debug)]
  15 #[repr(C)]
  16 enum A { Apple } //~ ERROR: layout_of
  17
  18 #[rustc_layout(debug)]
  19 #[repr(C)]
  20 enum B { Banana = 255, } //~ ERROR: layout_of
  21
  22 #[rustc_layout(debug)]
  23 #[repr(C)]
  24 enum C { Chaenomeles = 256, } //~ ERROR: layout_of
  25
  26 #[rustc_layout(debug)]
  27 #[repr(C)]
  28 enum P { Peach = 0x1000_0000isize, } //~ ERROR: layout_of
  29
  30 const TANGERINE: usize = 0x8100_0000; // hack to get negative numbers without negation operator!
  31
  32 #[rustc_layout(debug)]
  33 #[repr(C)]
  34 enum T { Tangerine = TANGERINE as isize } //~ ERROR: layout_of