zig/test/cases/safety/unsigned shift left overflow.zig
2025-07-26 17:31:04 -04:00

22 lines
519 B
Zig

const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
_ = stack_trace;
if (std.mem.eql(u8, message, "left shift overflowed bits")) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
const x = shl(0b0010111111111111, 3);
if (x == 0) return error.Whatever;
return error.TestFailed;
}
fn shl(a: u16, b: u4) u16 {
return @shlExact(a, b);
}
// run
// backend=stage2,llvm
// target=x86_64-linux