n.SetType(nil)
		return n
	}
	if !n.Y.Type().IsInteger() {
		n.SetType(nil)
		return n
	}
	n.SetType(n.X.Type())
	return n
}

// tcUnsafeSlice typechecks an OUNSAFESLICE node.
func tcUnsafeSlice(n *ir.BinaryExpr) *ir.BinaryExpr {
	n.X = Expr(n.X)
	n.Y = Expr(n.Y)
	if n.X.Type() == nil || n.Y.Type() == nil {
		n.SetType(nil)
		return n
	}

		y := buf[len(buf)/2:]
		for _, off := range []int{0, 1, 4, 7} {
			b.Run(fmt.Sprint("f_", n, off), func(b *testing.B) {
				b.SetBytes(int64(n))
				for i := 0; i < b.N; i++ {
					copy(x[off:n+off], y[off:n+off])
				}
			})

			b.Run(fmt.Sprint("b_", n, off), func(b *testing.B) {
				b.SetBytes(int64(n))
				for i := 0; i < b.N; i++ {
					copy(y[off:n+off], x[off:n+off])
				}
			})
		}
	}
}

}

func BenchmarkPutUint16(b *testing.B) {
	b.SetBytes(2)
	for i := 0; i < b.N; i++ {
		BigEndian.PutUint16(putbuf[:2], uint16(i))
	}
}

func BenchmarkAppendUint16(b *testing.B) {
	b.SetBytes(2)
	for i := 0; i < b.N; i++ {
		putbuf = BigEndian.AppendUint16(putbuf[:0], uint16(i))
	}
}

func BenchmarkPutUint32(b *testing.B) {
	b.SetBytes(4)
	for i := 0; i < b.N; i++ {

	if t == nil || r.Type() == nil {
		n.SetType(nil)
		return n
	}
	switch t.Kind() {
	default:
		base.Errorf("invalid operation: %v (type %v does not support indexing)", n, t)
		n.SetType(nil)
		return n

	case types.TSTRING, types.TARRAY, types.TSLICE:
		n.Index = indexlit(n.Index)
		if t.IsString() {
			n.SetType(types.ByteType)
		} else {
			n.SetType(t.Elem())
		}
		why := "string"

        toolchain.setType("TYPE");
        toolchain.setProvides(props);
        PersistedToolchains userResult = new PersistedToolchains();
        userResult.setToolchains(Collections.singletonList(toolchain));

        props = new Properties();
        props.put("key", "global_value");
        toolchain = new ToolchainModel();
        toolchain.setType("TYPE");
        toolchain.setProvides(props);

			buf.WriteByte('\n')
			if err := dec.Decode(&r); err != nil {
				b.Fatalf("Decode error: %v", err)
			}
		}
	})
	b.SetBytes(int64(len(codeJSON)))
}

func BenchmarkUnicodeDecoder(b *testing.B) {
	b.ReportAllocs()
	j := []byte(`"\uD83D\uDE01"`)
	b.SetBytes(int64(len(j)))
	r := bytes.NewReader(j)
	dec := NewDecoder(r)
	var out string
	b.ResetTimer()
	for i := 0; i < b.N; i++ {

	}
	ptr = ir.NewUnaryExpr(base.Pos, ir.OSPTR, n)
	if n.Type().IsString() {
		ptr.SetType(types.Types[types.TUINT8].PtrTo())
	} else {
		ptr.SetType(n.Type().Elem().PtrTo())
	}
	ptr.SetTypecheck(1)
	length = ir.NewUnaryExpr(base.Pos, ir.OLEN, n)
	length.SetType(types.Types[types.TINT])
	length.SetTypecheck(1)
	return ptr, length
}

		return name{}
	}
	base := uintptr(ptrInModule)
	for md := &firstmoduledata; md != nil; md = md.next {
		if base >= md.types && base < md.etypes {
			res := md.types + uintptr(off)
			if res > md.etypes {
				println("runtime: nameOff", hex(off), "out of range", hex(md.types), "-", hex(md.etypes))
				throw("runtime: name offset out of range")
			}
			return name{Bytes: (*byte)(unsafe.Pointer(res))}
		}
	}

	Q, err := c.pointFromAffine(pub.X, pub.Y)
	if err != nil {
		return false
	}

	// SEC 1, Version 2.0, Section 4.1.4

	r, err := bigmod.NewNat().SetBytes(rBytes, c.N)
	if err != nil || r.IsZero() == 1 {
		return false
	}
	s, err := bigmod.NewNat().SetBytes(sBytes, c.N)
	if err != nil || s.IsZero() == 1 {
		return false
	}

	e := bigmod.NewNat()
	hashToNat(c, e, hash)

	// w = s⁻¹

			n.SetType(nil)
			return n
		}
		if !n.Y.Type().IsBoolean() {
			base.Errorf("invalid operation: %v (operator %v not defined on %s)", n, n.Op(), typekind(n.Y.Type()))
			n.SetType(nil)
			return n
		}
		l, r, t := tcArith(n, n.Op(), n.X, n.Y)
		n.X, n.Y = l, r
		n.SetType(t)
		return n

	// shift operators
	case ir.OLSH, ir.ORSH: