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, "attempt to use null value")) {
 6        std.process.exit(0);
 7    }
 8    std.process.exit(1);
 9}
10pub fn main() !void {
11    var ptr: ?*i32 = null;
12    _ = &ptr;
13    const b = ptr.?;
14    _ = b;
15    return error.TestFailed;
16}
17// run
18// backend=selfhosted,llvm
19// target=x86_64-linux,aarch64-linux