// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname atomicwb
//go:nosplit
func atomicwb(ptr *unsafe.Pointer, new unsafe.Pointer) {
	slot := (*uintptr)(unsafe.Pointer(ptr))
	buf := getg().m.p.ptr().wbBuf.get2()
	buf[0] = *slot
	buf[1] = uintptr(new)
}

// atomicstorep performs *ptr = new atomically and invokes a write barrier.
//
//go:nosplit

	u += 1<<13 - 1                  // add almost a page

	for i := 0; i < 1000000; i++ {
		_ = identity(u)         // installs u at return slot
		_ = liveReturnSlot(nil) // incorrectly marks return slot as live
	}
}

//go:noinline
func liveReturnSlot(x *int) *int {
	defer func() {}() // causes return slot to be marked live
	sink = &x         // causes x to be moved to the heap, triggering allocation
	return x
}

//go:noinline

// Copyright 2016 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.

package main

// The stubs for the C functions read and write the same slot on the
// g0 stack when copying arguments in and out.

/*
#cgo CFLAGS: -fsanitize=thread
#cgo LDFLAGS: -fsanitize=thread

int Func1() {
	return 0;
}

void Func2(int x) {
	(void)x;
}
*/

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

// Make sure a pointer variable and a zero-sized variable
// aren't allocated to the same stack slot.
// See issue 24993.

package codegen

func zeroSize() {
	c := make(chan struct{})
	// amd64:`MOVQ\t\$0, command-line-arguments\.s\+56\(SP\)`
	var s *int

func uint32tofloat64(a uint32) float64

// stackcheck checks that SP is in range [g->stack.lo, g->stack.hi).
func stackcheck()

// Called from assembly only; declared for go vet.
func setldt(slot uintptr, base unsafe.Pointer, size uintptr)
func emptyfunc()

//go:noescape
func asmcgocall_no_g(fn, arg unsafe.Pointer)

// getfp returns the frame pointer register of its caller or 0 if not implemented.

	// See issue #19067.
	c := testConfig(t)
	ptrType := c.config.Types.BytePtr
	fun := c.Fun("entry",
		Bloc("entry",
			Valu("start", OpInitMem, types.TypeMem, 0, nil),
			Valu("sb", OpSB, c.config.Types.Uintptr, 0, nil),
			Valu("sp", OpSP, c.config.Types.Uintptr, 0, nil),
			Goto("loop")),
		Bloc("loop",
			Valu("phi", OpPhi, types.TypeMem, 0, nil, "start", "wb"),
			Valu("v", OpConstNil, ptrType, 0, nil),

                "aaa");
        assertQueryBuilder(MatchPhraseQueryBuilder.class,
                "{\"match_phrase\":{\"title\":{\"query\":\"aaa\",\"slop\":0,\"zero_terms_query\":\"NONE\",\"boost\":1.0}}}", //

package main

import (
	"flag"
	"os"
	"runtime"
	"testing"

	fast "./fast"
	slow "./slow"
)

var buf = make([]byte, 1048576)

func BenchmarkFastNonASCII(b *testing.B) {
	for i := 0; i < b.N; i++ {
		fast.NonASCII(buf, 0)
	}
}

func BenchmarkSlowNonASCII(b *testing.B) {
	for i := 0; i < b.N; i++ {
		slow.NonASCII(buf, 0)
	}
}

func main() {
	testing.Init()

#define TLS_SLOT_APP 2

// inittls allocates a thread-local storage slot for g.
//
// It finds the first available slot using pthread_key_create and uses
// it as the offset value for runtime.tls_g.
static void
inittls(void **tlsg, void **tlsbase)
{
	pthread_key_t k;
	int i, err;
	void *handle, *get_ver, *off;

	// Check for Android Q where we can use the free TLS_SLOT_APP slot.
	handle = dlopen("libc.so", RTLD_LAZY);

package ssa

import (
	"cmd/compile/internal/types"
	"testing"
)

func TestSchedule(t *testing.T) {
	c := testConfig(t)
	cases := []fun{
		c.Fun("entry",
			Bloc("entry",
				Valu("mem0", OpInitMem, types.TypeMem, 0, nil),
				Valu("ptr", OpConst64, c.config.Types.Int64, 0xABCD, nil),
				Valu("v", OpConst64, c.config.Types.Int64, 12, nil),