zig/test/cases/safety/vector integer multiplication overflow.zig
2022-09-20 19:05:00 -07:00

23 lines
574 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, "integer overflow")) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
var a: @Vector(4, u8) = [_]u8{ 1, 2, 200, 4 };
var b: @Vector(4, u8) = [_]u8{ 5, 6, 2, 8 };
const x = mul(b, a);
_ = x;
return error.TestFailed;
}
fn mul(a: @Vector(4, u8), b: @Vector(4, u8)) @Vector(4, u8) {
return a * b;
}
// run
// backend=llvm
// target=native