zig/test/cases/safety/vector integer negation overflow.zig

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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, i16) = [_]i16{ 1, -32768, 200, 4 };
_ = &a;
const x = neg(a);
_ = x;
return error.TestFailed;
}
fn neg(a: @Vector(4, i16)) @Vector(4, i16) {
return -a;
}
// run
// backend=llvm
// target=native