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// min-lldb-version: 310
// Require a gdb that can read DW_TAG_variant_part.
// min-gdb-version: 8.2
// compile-flags:-g
// gdb-command:set print union on
// gdb-command:run
// gdb-command:print case1
// gdbr-check:$1 = generic_struct_style_enum::Regular<u16, u32, i64>::Case1{a: 0, b: 31868, c: 31868, d: 31868, e: 31868}
// gdb-command:print case2
// gdbr-check:$2 = generic_struct_style_enum::Regular<i16, u32, i64>::Case2{a: 0, b: 286331153, c: 286331153}
// gdb-command:print case3
// gdbr-check:$3 = generic_struct_style_enum::Regular<u16, i32, u64>::Case3{a: 0, b: 6438275382588823897}
// gdb-command:print univariant
// gdbr-check:$4 = generic_struct_style_enum::Univariant<i32>::TheOnlyCase{a: -1}
#![feature(omit_gdb_pretty_printer_section)]
#![omit_gdb_pretty_printer_section]
use self::Regular::{Case1, Case2, Case3};
use self::Univariant::TheOnlyCase;
// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
// substituted with something of size `xx` bits and the same alignment as an integer type of the
// same size.
// The first element is to ensure proper alignment, irrespective of the machines word size. Since
// the size of the discriminant value is machine dependent, this has be taken into account when
// datatype layout should be predictable as in this case.
enum Regular<T16, T32, T64> {
Case1 { a: T64, b: T16, c: T16, d: T16, e: T16},
Case2 { a: T64, b: T32, c: T32},
Case3 { a: T64, b: T64 }
}
enum Univariant<T> {
TheOnlyCase { a: T }
}
fn main() {
// In order to avoid endianness trouble all of the following test values consist of a single
// repeated byte. This way each interpretation of the union should look the same, no matter if
// this is a big or little endian machine.
// 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
// 0b01111100011111000111110001111100 = 2088533116
// 0b0111110001111100 = 31868
// 0b01111100 = 124
let case1: Regular<u16, u32, i64> = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 };
// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
// 0b00010001000100010001000100010001 = 286331153
// 0b0001000100010001 = 4369
// 0b00010001 = 17
let case2: Regular<i16, u32, i64> = Case2 { a: 0, b: 286331153, c: 286331153 };
// 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
// 0b01011001010110010101100101011001 = 1499027801
// 0b0101100101011001 = 22873
// 0b01011001 = 89
let case3: Regular<u16, i32, u64> = Case3 { a: 0, b: 6438275382588823897 };
let univariant = TheOnlyCase { a: -1 };
zzz(); // #break
}
fn zzz() {()}
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