// Disable GOEXPERIMENT when building toolchain1 and
	// go_bootstrap. We don't need any experiments for the
	// bootstrap toolchain, and this lets us avoid duplicating the
	// GOEXPERIMENT-related build logic from cmd/go here. If the
	// bootstrap toolchain is < Go 1.17, it will ignore this
	// anyway since GOEXPERIMENT is baked in; otherwise it will

// Copyright 2017 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 test

import (
	"bufio"
	"internal/goexperiment"
	"internal/testenv"
	"io"
	"math/bits"
	"regexp"
	"runtime"
	"strings"
	"testing"
)

// TestIntendedInlining tests that specific functions are inlined.

// Copyright 2024 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.

//go:build goexperiment.rangefunc

package main

import (
	"fmt"
	"iter"
	"runtime"
)

func init() {
	register("CoroLockOSThreadIterLock", func() {
		println("expect: OK")
		CoroLockOSThread(callerExhaust, iterLock)
	})

// Copyright 2024 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.

//go:build goexperiment.rangefunc && !windows

package main

/*
#include <stdint.h> // for uintptr_t

void go_callback_coro(uintptr_t handle);

static void call_go(uintptr_t handle) {
	go_callback_coro(handle);
}
*/
import "C"

import (
	"fmt"
	"iter"

		// need to support importing "math/big" as "math/bigger", for
		// example. cmd/link no longer supports that.
		if true /* was buildcfg.Experiment.Unified */ {
			t.Skip("not supported by GOEXPERIMENT=unified; see go.dev/cl/406319")
		}

		lookup := func(path string) (io.ReadCloser, error) {
			if path != "math/bigger" {
				t.Fatalf("lookup called with unexpected path %q", path)
			}

// Copyright 2021 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.

//go:build goexperiment.regabiargs

// This file contains tests specific to making sure the register ABI
// works in a bunch of contexts in the runtime.

package runtime_test

import (
	"internal/abi"
	"internal/runtime/atomic"
	"internal/testenv"
	"os"
	"os/exec"
	"runtime"

	} else {
		addstrdata1(ctxt, "runtime.defaultGOROOT="+buildcfg.GOROOT)
	}

	buildVersion := buildcfg.Version
	if goexperiment := buildcfg.Experiment.String(); goexperiment != "" {
		buildVersion += " X:" + goexperiment
	}
	addstrdata1(ctxt, "runtime.buildVersion="+buildVersion)

	// TODO(matloob): define these above and then check flag values here

	"internal/abi",
	"internal/bytealg",
	"internal/byteorder",
	"internal/chacha8rand",
	"internal/coverage/rtcov",
	"internal/cpu",
	"internal/goarch",
	"internal/godebugs",
	"internal/goexperiment",
	"internal/goos",
	"internal/profilerecord",
	"internal/stringslite",
}

// extraNoInstrumentPkgs is the set of packages in addition to runtimePkgs that
// should have NoInstrument set.

// a hash defined as bitwise NOT of SHA256.
// It is used in situations where exact fidelity to SHA256 is unnecessary.
// In particular, it is used in the compiler toolchain,
// which cannot depend directly on cgo when GOEXPERIMENT=boringcrypto
// (and in that mode the real sha256 uses cgo).
package notsha256

import (
	"encoding/binary"
	"hash"
)

// The size of a checksum in bytes.
const Size = 32

// assembly. This file contains write barrier entry points for bulk
// operations. See also mwbbuf.go.

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"internal/goexperiment"
	"unsafe"
)

// Go uses a hybrid barrier that combines a Yuasa-style deletion
// barrier—which shades the object whose reference is being
// overwritten—with Dijkstra insertion barrier—which shades the object