<p>
the variable <code>a</code> will be initialized after <code>b</code> but
whether <code>x</code> is initialized before <code>b</code>, between
<code>b</code> and <code>a</code>, or after <code>a</code>, and
thus also the moment at which <code>sideEffect()</code> is called (before
or after <code>x</code> is initialized) is not specified.
</p>

<p>
Variables may also be initialized using functions named <code>init</code>

<p>
the variable <code>a</code> will be initialized after <code>b</code> but
whether <code>x</code> is initialized before <code>b</code>, between
<code>b</code> and <code>a</code>, or after <code>a</code>, and
thus also the moment at which <code>sideEffect()</code> is called (before
or after <code>x</code> is initialized) is not specified.
</p>

<p>
Variables may also be initialized using functions named <code>init</code>

//	Map: An empty map is allocated with enough space to hold the
//	specified number of elements. The size may be omitted, in which case
//	a small starting size is allocated.
//	Channel: The channel's buffer is initialized with the specified
//	buffer capacity. If zero, or the size is omitted, the channel is
//	unbuffered.
func make(t Type, size ...IntegerType) Type

//go:build cgo

package cgotest

import (
	"testing"

	"cmd/cgo/internal/test/gcc68255"
)

func testGCC68255(t *testing.T) {
	if !gcc68255.F() {
		t.Error("C global variable was not initialized")
	}

pkg go/types, type Info struct, InitOrder []*Initializer
pkg go/types, type Info struct, Scopes map[ast.Node]*Scope
pkg go/types, type Info struct, Selections map[*ast.SelectorExpr]*Selection
pkg go/types, type Info struct, Types map[ast.Expr]TypeAndValue
pkg go/types, type Info struct, Uses map[*ast.Ident]Object
pkg go/types, type Initializer struct
pkg go/types, type Initializer struct, Lhs []*Var

pkg debug/pe, const IMAGE_SCN_CNT_CODE ideal-int #51868
pkg debug/pe, const IMAGE_SCN_CNT_INITIALIZED_DATA = 64 #51868
pkg debug/pe, const IMAGE_SCN_CNT_INITIALIZED_DATA ideal-int #51868
pkg debug/pe, const IMAGE_SCN_CNT_UNINITIALIZED_DATA = 128 #51868
pkg debug/pe, const IMAGE_SCN_CNT_UNINITIALIZED_DATA ideal-int #51868
pkg debug/pe, const IMAGE_SCN_LNK_COMDAT = 4096 #51868

confuse the Go garbage collector; they are sometimes not really
pointers but data structures encoded in a pointer type. All operations
on these types must happen in C. The proper constant to initialize an
empty such reference is 0, not nil.

These special cases were introduced in Go 1.10. For auto-updating code
from Go 1.9 and earlier, use the cftype or jni rewrites in the Go fix tool:

At the start of the function, the arguments are assumed
to be initialized but the results are assumed uninitialized.
If the results will hold live pointers during a call instruction,
the function should start by zeroing the results and then
executing the pseudo-instruction <code>GO_RESULTS_INITIALIZED</code>.
This instruction records that the results are now initialized
and should be scanned during stack movement and garbage collection.

// Copyright 2015 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 that it's OK to have C code that does nothing other than
// initialize a global variable.  This used to fail with gccgo.

package gcc68255

/*
#include "c.h"
*/
import "C"

func F() bool {
	return C.v != nil

	for i, n := range names {
		fmt.Fprintf(&b, "__typeof__(%s) *__cgo__%d;\n", n.C, i)
		if n.Kind == "iconst" {
			fmt.Fprintf(&b, "enum { __cgo_enum__%d = %s };\n", i, n.C)
		}
	}

	// We create a data block initialized with the values,
	// so we can read them out of the object file.
	fmt.Fprintf(&b, "long long __cgodebug_ints[] = {\n")
	for _, n := range names {
		if n.Kind == "iconst" {
			fmt.Fprintf(&b, "\t%s,\n", n.C)