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const std = @import("std");
pub fn panic(cause: std.builtin.PanicCause, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
_ = stack_trace;
if (cause == .memcpy_alias) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
var buffer = [2]u8{ 1, 2 } ** 5;
var len: usize = 5;
_ = &len;
@memcpy(buffer[0..len], buffer[4 .. 4 + len]);
}
// run
// backend=llvm
// target=native
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