name  string
		x     []struct{}
		count int
	}{
		{name: "cannot be negative", x: make([]struct{}, 0), count: -1},
		{name: "the result of (len(x) * count) overflows, hi > 0", x: make([]struct{}, 3), count: math.MaxInt},
		{name: "the result of (len(x) * count) overflows, lo > maxInt", x: make([]struct{}, 2), count: 1 + math.MaxInt/2},
	} {
		if !panics(func() { _ = Repeat(test.x, test.count) }) {

		base.Errorf("non-integer %s argument in make(%v) - %v", arg, t, n.Type())
		return false
	}

	// Do range checks for constants before DefaultLit
	// to avoid redundant "constant NNN overflows int" errors.
	if n.Op() == ir.OLITERAL {
		v := toint(n.Val())
		if constant.Sign(v) < 0 {
			base.Errorf("negative %s argument in make(%v)", arg, t)
			return false
		}

		// field types.
		if align := typ.align; align > maxAlign {
			maxAlign = align
		}

		// Each field needs its own registers.
		// We sum in uint64 to avoid possible overflows.
		intRegs += uint64(typ.intRegs)
		floatRegs += uint64(typ.floatRegs)
	}

	// Final size includes trailing padding.
	size = RoundUp(size, int64(maxAlign))

		t.Errorf("%v should overflow float32", -ovfFloat32)
	}

	maxInt32 := int64(0x7fffffff)
	if ovf := V(int32(0)).OverflowInt(maxInt32); ovf {
		t.Errorf("%v wrongly overflows int32", maxInt32)
	}
	if ovf := V(int32(0)).OverflowInt(-1 << 31); ovf {
		t.Errorf("%v wrongly overflows int32", -int64(1)<<31)
	}
	ovfInt32 := int64(1 << 31)

	// apply exp5 contributions
	// (start with exp5 so the numbers to multiply are smaller)
	if exp5 != 0 {
		n := exp5
		if n < 0 {
			n = -n
			if n < 0 {
				// This can occur if -n overflows. -(-1 << 63) would become
				// -1 << 63, which is still negative.
				return nil, false
			}
		}
		if n > 1e6 {
			return nil, false // avoid excessively large exponents
		}

    data: ByteString,
    formatOpcode: Int,
  ): Boolean {
    // Don't send new frames after we've failed or enqueued a close frame.
    if (failed || enqueuedClose) return false

    // If this frame overflows the buffer, reject it and close the web socket.
    if (queueSize + data.size > MAX_QUEUE_SIZE) {
      close(CLOSE_CLIENT_GOING_AWAY, null)
      return false
    }

    // Enqueue the message frame.

	case ir.OGE:
		return ir.OLE
	}
	base.Fatalf("brrev: no rev for %v\n", op)
	return op
}

func tracecmpArg(n ir.Node, t *types.Type, init *ir.Nodes) ir.Node {
	// Ugly hack to avoid "constant -1 overflows uintptr" errors, etc.
	if n.Op() == ir.OLITERAL && n.Type().IsSigned() && ir.Int64Val(n) < 0 {
		n = copyExpr(n, n.Type(), init)
	}

	return typecheck.Conv(n, t)

// We use a type's hash field to pick a bucket.
// Inside a bucket, we keep a list of types that
// have been serialized so far, most recently used first.
// Note: when a bucket overflows we may end up
// serializing a type more than once. That's ok.
const (
	typeCacheBuckets = 256
	typeCacheAssoc   = 4
)

type typeCacheBucket struct {
	t [typeCacheAssoc]*_type
}

		return reflect.ValueOf(constant.Float64)

	case constant.IsInt:
		n := int(constant.Int64)
		if int64(n) != constant.Int64 {
			s.errorf("%s overflows int", constant.Text)
		}
		return reflect.ValueOf(n)

	case constant.IsUint:
		s.errorf("%s overflows int", constant.Text)
	}
	return zero
}

func isRuneInt(s string) bool {
	return len(s) > 0 && s[0] == '\''
}

//	    n := len(s) + l2
//	    // Compare n and s as uint so growslice can panic on overflow of len(s) + l2.
//	    // cap is a positive int and n can become negative when len(s) + l2
//	    // overflows int. Interpreting n when negative as uint makes it larger
//	    // than cap(s). growslice will check the int n arg and panic if n is
//	    // negative. This prevents the overflow from being undetected.
//	    if uint(n) <= uint(cap(s)) {
//	      s = s[:n]