1const std = @import("std");
 2
 3pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
 4    _ = stack_trace;
 5    if (std.mem.eql(u8, message, "switch on corrupt value")) {
 6        std.process.exit(0);
 7    }
 8    std.process.exit(1);
 9}
10
11const U = union(enum(u32)) {
12    X: u8,
13    Y: i8,
14};
15
16pub fn main() !void {
17    var u: U = undefined;
18    @memset(@as([*]u8, @ptrCast(&u))[0..@sizeOf(U)], 0x55);
19    switch (u) {
20        .X, .Y => @breakpoint(),
21    }
22    return error.TestFailed;
23}
24
25// run
26// backend=selfhosted,llvm
27// target=x86_64-linux