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