f(x<<(1<<x), 4)
	f(x<<(1.<<x), 4)
	f(x<<((1+0i)<<x), 4)
	f(x<<(0i<<x), 1)

	// corner cases
	const M = math.MaxUint
	f(x<<(M+0), 0)     // shift by untyped int representable as uint
	f(x<<(M+0.), 0)    // shift by untyped float representable as uint
	f(x<<(M+0.+0i), 0) // shift by untyped complex representable as uint

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the suspicious shift checker.

package shift

func ShiftTest() {
	var i8 int8
	_ = i8 << 7
	_ = (i8 + 1) << 8 // ERROR ".i8 . 1. .8 bits. too small for shift of 8"

// run

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test shift.

package main

var	ians	[18]int;
var	uans	[18]uint;
var	pass	string;

func
testi(i int, t1,t2,t3 int) {
	n := ((t1*3) + t2)*2 + t3;
	if i != ians[n] {
		print("itest ", t1,t2,t3,pass,
			" is ", i, " sb ", ians[n], "\n");
	}
}

		}
	}

	// Check for reads in little-endian or big-endian order.
	shift0 := r[0].shift
	isLittleEndian := true
	for i := int64(0); i < n; i++ {
		if r[i].shift != shift0+i*size*8 {
			isLittleEndian = false
			break
		}
	}
	isBigEndian := true
	for i := int64(0); i < n; i++ {
		if r[i].shift != shift0-i*size*8 {
			isBigEndian = false
			break
		}
	}

	return x<<7 ^ x2>>25 // arm64:"EXTRW\t[$]25,"
}

// check 32-bit shift masking
func mask32(x uint32) uint32 {
	return (x << 29) >> 29 // arm64:"AND\t[$]7, R[0-9]+",-"LSR",-"LSL"
}

// check 16-bit shift masking
func mask16(x uint16) uint16 {
	return (x << 14) >> 14 // arm64:"AND\t[$]3, R[0-9]+",-"LSR",-"LSL"
}

// check 8-bit shift masking
func mask8(x uint8) uint8 {

"src/compress/flate/testdata/huffman-rand-max.in", "src/compress/flate/testdata/huffman-shifts.dyn.expect", "src/compress/flate/testdata/huffman-shifts.dyn.expect-noinput", "src/compress/flate/testdata/huffman-shifts.golden", "src/compress/flate/testdata/huffman-shifts.in", "src/compress/flate/testdata/huffman-shifts.wb.expect", "src/compress/flate/testdata/huffman-shifts.wb.expect-noinput", "src/compress/flate/testdata/huffman-text-shift.dyn.expect", "src/compress/flate/testdata/huffman-text-shift.dyn.expect-noinput",...

Klaus Post <******@****.***> 1457448890 +0100

Klaus Post <******@****.***> 1457448890 +0100

// license that can be found in the LICENSE file.

// Non-Go-constant but constant values aren't ok for shifts.

package p

import "unsafe"

func f() {
	_ = complex(1<<uintptr(unsafe.Pointer(nil)), 0) // ERROR "invalid operation: shifted operand 1 \(type float64\) must be integer|non-integer type for left operand of shift"

// Example from #52031.
//
// The following shifts should not produce errors on Go < 1.13, as their
// untyped constant operands are representable by type uint.
const (
	_ resultFlags = (1 << iota) / 2

	reportEqual
	reportUnequal
	reportByIgnore
	reportByMethod
	reportByFunc
	reportByCycle
)

// Invalid cases.
var x int = 1
var _ = (8 << x /* ERRORx `signed shift count .* requires go1.13 or later` */)