}
}

func genOp() {
	w := new(bytes.Buffer)
	fmt.Fprintf(w, "// Code generated from _gen/*Ops.go using 'go generate'; DO NOT EDIT.\n")
	fmt.Fprintln(w)
	fmt.Fprintln(w, "package ssa")

	fmt.Fprintln(w, "import (")
	fmt.Fprintln(w, "\"cmd/internal/obj\"")
	for _, a := range archs {
		if a.pkg != "" {
			fmt.Fprintf(w, "%q\n", a.pkg)
		}
	}
	fmt.Fprintln(w, ")")

	// generate Block* declarations

	fmt.Fprintln(&buf)
	fmt.Fprintln(&buf, "// Code generated by go run gen.go -output palette.go; DO NOT EDIT.")
	fmt.Fprintln(&buf)
	fmt.Fprintln(&buf, "package palette")
	fmt.Fprintln(&buf)
	fmt.Fprintln(&buf, `import "image/color"`)
	fmt.Fprintln(&buf)
	printPlan9(&buf)
	printWebSafe(&buf)

	data, err := format.Source(buf.Bytes())
	if err != nil {
		log.Fatal(err)
	}

		for i, os := range clangos {
			if i > 0 {
				fmt.Fprintf(&buf, ", ")
			}
			fmt.Fprintf(&buf, "%s", quote(os))
		}
		fmt.Fprintf(&buf, ":\n")
		fmt.Fprintf(&buf, "\t\treturn %s\n", quote(clang))
		fmt.Fprintf(&buf, "\t}\n")
		fmt.Fprintf(&buf, "\treturn %s\n", quote(gcc))
	}
	fmt.Fprintf(&buf, "}\n")

	return buf.String()
}

// mkzcgo writes zcgo.go for the go/build package:
//
//	package build

		fmt.Fprintf(w, "s = *sp\n")
		fmt.Fprintf(w, "*sp = nil\n")
		fmt.Fprintf(w, "c.hdr%s = append(c.hdr%s, sp)\n", a.name, a.name)
	}
	fmt.Fprintf(w, "}\n")
	if a.resize != "" {
		fmt.Fprintf(w, "s = %s\n", fmt.Sprintf(a.resize, "s", "n"))
	}
	fmt.Fprintf(w, "return s\n")
	fmt.Fprintf(w, "}\n")
	fmt.Fprintf(w, "func (c *Cache) free%s(s %s) {\n", a.name, a.typ)
	fmt.Fprintf(w, "%s\n", fmt.Sprintf(a.clear, "s"))

stdout '^flag \[fmt\.test\] MAP: map\[fmt:fmt \[fmt\.test\]\]'
stdout '^fmt\.test MAP: map\[(.* )?testing:testing \[fmt\.test\]'
! stdout '^fmt\.test MAP: map\[(.* )?os:'
stdout '^fmt\.test IMPORT: \[fmt \[fmt\.test\] fmt_test \[fmt\.test\] os reflect testing \[fmt\.test\] testing/internal/testdeps \[fmt\.test\]\]'


-- a/b/b.go --
package b

import _ "c/d"

	assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main")
	assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main")
	assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "a/b")
	assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main")
	assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "")

func ExampleNew_errorf() {
	const name, id = "bimmler", 17
	err := fmt.Errorf("user %q (id %d) not found", name, id)
	if err != nil {
		fmt.Print(err)
	}
	// Output: user "bimmler" (id 17) not found
}

func ExampleJoin() {
	err1 := errors.New("err1")
	err2 := errors.New("err2")
	err := errors.Join(err1, err2)
	fmt.Println(err)
	if errors.Is(err, err1) {
		fmt.Println("err is err1")
	}
	if errors.Is(err, err2) {

	fmt.Println(path.Join("a", "b", "c"))
	fmt.Println(path.Join("a", "b/c"))
	fmt.Println(path.Join("a/b", "c"))

	fmt.Println(path.Join("a/b", "../../../xyz"))

	fmt.Println(path.Join("", ""))
	fmt.Println(path.Join("a", ""))
	fmt.Println(path.Join("", "a"))

	// Output:
	// a/b/c
	// a/b/c
	// a/b/c
	// ../xyz
	//
	// a
	// a
}

func ExampleMatch() {
	fmt.Println(path.Match("abc", "abc"))

		if report {
			fmt.Println("alignment should be 1, is", a1-a0)
		}
		status = 1
	}
	var b2 [10]T2
	a0, _ = strconv.ParseUint(fmt.Sprintf("%p", &b2[0])[2:], 16, 64)
	a1, _ = strconv.ParseUint(fmt.Sprintf("%p", &b2[1])[2:], 16, 64)
	if a1 != a0+2 {
		if status == 0 {
			fmt.Println("FAIL")
			status = 1
		}
		if report {
			fmt.Println("alignment should be 2, is", a1-a0)
		}
	}
	var b4 [10]T4

		fmt.Println("defer2")
	}()
}

func f3() {
	defer func() { // ERROR "stack-allocated defer"
		fmt.Println("defer2")
	}()
	for {
		defer func() { // ERROR "heap-allocated defer"
			fmt.Println("defer1")
		}()
		if glob > 2 {
			break
		}
	}
}

func f4() {
	defer func() { // ERROR "open-coded defer"
		fmt.Println("defer")
	}()
label:
	fmt.Println("goto loop")