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, "sentinel mismatch: expected 0, found 4")) {
 6        std.process.exit(0);
 7    }
 8    std.process.exit(1);
 9}
10pub fn main() !void {
11    var buf: [4]u8 = .{ 1, 2, 3, 4 };
12    const slice = buf[0..];
13    const slice2 = slice[0..3 :0];
14    _ = slice2;
15    return error.TestFailed;
16}
17// run
18// backend=selfhosted,llvm
19// target=x86_64-linux,aarch64-linux