fmt.Fprintf(&b, "#line %d \"not-declared\"\n"+
			"void __cgo_f_%d_1(void) { __typeof__(%s) *__cgo_undefined__1; }\n"+
			"#line %d \"not-type\"\n"+
			"void __cgo_f_%d_2(void) { %s *__cgo_undefined__2; }\n"+
			"#line %d \"not-int-const\"\n"+
			"void __cgo_f_%d_3(void) { enum { __cgo_undefined__3 = (%s)*1 }; }\n"+
			"#line %d \"not-num-const\"\n"+
			"void __cgo_f_%d_4(void) { static const double __cgo_undefined__4 = (%s); }\n"+

		// The cgo call may have caused a stack copy (via a callback).
		// Adjust the return value pointer appropriately.
		fmt.Fprintf(fgcc, "\t_cgo_a = (void*)((char*)_cgo_a + (_cgo_topofstack() - _cgo_stktop));\n")
		// Save the return value.
		fmt.Fprintf(fgcc, "\t_cgo_a->r = _cgo_r;\n")
		// The return value is on the Go stack. If we are using msan,
		// and if the C value is partially or completely uninitialized,

	<preamble>
	__typeof__(t1) *__cgo__1;
	__typeof__(v2) *__cgo__2;
	__typeof__(v3) *__cgo__3;
	__typeof__(i4) *__cgo__4;
	enum { __cgo_enum__4 = i4 };
	__typeof__(i5) *__cgo__5;
	enum { __cgo_enum__5 = i5 };
	__typeof__(u6) *__cgo__6;
	enum { __cgo_enum__6 = u6 };
	__typeof__(f7) *__cgo__7;
	__typeof__(f8) *__cgo__8;
	__typeof__(s9) *__cgo__9;
	__typeof__(s10) *__cgo__10;

// Copyright 2023 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

//line /tmp/_cgo_.go:1
//go:cgo_dynamic_linker "/elf/interp"
// ERROR MESSAGE: only allowed in cgo-generated code

.DS_Store
*.[56789ao]
*.a[56789o]
*.so
*.pyc
._*
.nfs.*
[56789a].out
*~
*.orig
*.rej
*.exe
.*.swp
core
*.cgo*.go
*.cgo*.c
_cgo_*
_obj
_test
_testmain.go

/VERSION.cache
/bin/
/build.out
/doc/articles/wiki/*.bin
/goinstall.log
/last-change
/misc/cgo/life/run.out
/misc/cgo/stdio/run.out
/misc/cgo/testso/main
/pkg/
/src/*.*/
/src/cmd/cgo/zdefaultcc.go
/src/cmd/dist/dist

	// starts with "_cgo_". Make sure that the comments in those files
	// are safe. This is a backstop against people somehow smuggling
	// such a comment into a file generated by cgo.
	if cfg.BuildToolchainName == "gc" && !cfg.BuildN {
		var flags []string
		for _, f := range outGo {
			if !strings.HasPrefix(filepath.Base(f), "_cgo_") {
				continue
			}