// 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.

// Linking this with gccgo got an undefined symbol reference,
// because the private method in testing.TB led gccgo to assume that
// the interface method table would be defined in the testing package.

package main

import "testing"

type I interface {
	testing.TB
	Parallel()

	if runtime.Compiler == "gccgo" {
		ccArgs = append(ccArgs, "-lgo")
	}
	if out, err := exec.Command(ccArgs[0], ccArgs[1:]...).CombinedOutput(); err != nil {
		t.Logf("%s", out)
		t.Fatal(err)
	}

	binArgs := append(bin, "arg1", "arg2")
	cmd = exec.Command(binArgs[0], binArgs[1:]...)
	if runtime.Compiler == "gccgo" {
		cmd.Env = append(os.Environ(), "GCCGO=1")
	}

// Test finalizers work for tiny (combined) allocations.

package main

import (
	"runtime"
	"time"
)

func main() {
	// Does not work on gccgo due to partially conservative GC.
	// Try to enable when we have fully precise GC.
	if runtime.Compiler == "gccgo" {
		return
	}
	const N = 100
	finalized := make(chan int32, N)
	for i := 0; i < N; i++ {
		x := new(int32) // subject to tiny alloc
		*x = int32(i)

go clean -cache
exists $GOCACHE/fuzz

# 'go clean -fuzzcache' should delete the fuzz cache but not the build cache.
go build -x ./empty
stderr '(compile|gccgo)( |\.exe).*empty.go'
go clean -fuzzcache
! exists $GOCACHE/fuzz
go build -x ./empty
! stderr '(compile|gccgo)( |\.exe).*empty.go'

# Fuzzing indicates that one new interesting value was found with an empty
# corpus, and the total size of the cache is now 1.

// Copyright 2018 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 (386 || amd64 || amd64p32) && gccgo

package cpu

//extern gccgoGetCpuidCount
func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32)

func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) {
	var a, b, c, d uint32

	switch compiler {
	case "gc":
		return &gcimports{
			fset:     fset,
			packages: make(map[string]*types.Package),
			lookup:   lookup,
		}

	case "gccgo":
		var inst gccgoimporter.GccgoInstallation
		if err := inst.InitFromDriver("gccgo"); err != nil {
			return nil
		}
		return &gccgoimports{
			packages: make(map[string]*types.Package),
			importer: inst.GetImporter(nil, nil),
			lookup:   lookup,
		}

	// so the test should not have been rerun.
	tg.grepStderr(`([\\/]compile|gccgo).*t2_test.go`, "did not recompile t2")
	tg.grepStderr(`([\\/]link|gccgo).*t2\.test`, "did not relink t2_test")
	// This check does not currently work with gccgo, as garbage
	// collection of unused variables is not turned on by default.
	if runtime.Compiler != "gccgo" {
		tg.grepStdout(`ok  \tt/t2\t\(cached\)`, "did not cache t/t2")
	}

// Copyright 2013 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 gccgoimporter implements Import for gccgo-generated object files.
package gccgoimporter // import "go/internal/gccgoimporter"

import (
	"bytes"
	"debug/elf"
	"fmt"
	"go/types"
	"internal/xcoff"
	"io"
	"os"
	"path/filepath"
	"strings"
)

	}
	runtime.SetFinalizer(&f1, func(f *func()) {
		atomic.AddInt64(&count, -1)
	})
	go f2()
	return nil
}

func main() {
	// Does not work with gccgo, due to partially conservative GC.
	// Try to enable when we have fully precise GC.
	if runtime.Compiler == "gccgo" {
		return
	}
	count = N
	var wg sync.WaitGroup
	wg.Add(N)
	for i := 0; i < N; i++ {
		go func() {
			run()
			wg.Done()
		}()
	}

// rundir

// Copyright 2020 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.

// Gccgo confused type descriptors for aliases.