[!cgo] skip

# Verify that the new go list -export format includes types produced by
# cgo preprocessing (see go.dev/issue/79427).

env GOEXPERIMENT=golistexportnewformat
go list -export -json p.go
cp stdout out.json
go run q.go out.json
stdout '_Ctype_int'

-- p.go --
package p

import "C"

var V = C.int(42)

-- q.go --
package main

import (
	"encoding/json"
	"fmt"
	"go/importer"
	"go/token"
	"io"
	"log"
	"os"
)

func main() {
	data, err := os.ReadFile(os.Args[1])
	if err != nil {
		log.Fatal(err)
	}
	// This is a minimal output of go list -export -json.
	type output struct {
		ImportPath	string
		Export		string
	}
	var out output
	if err := json.Unmarshal(data, &out); err != nil {
		log.Fatal(err)
	}
	fset := token.NewFileSet()
	imp := importer.ForCompiler(fset, "gc", func(path string) (io.ReadCloser, error) {
		if path != out.ImportPath {
			log.Fatalf("unexpected import: %q", path)
		}
		return os.Open(out.Export)
	})
	pkg, err := imp.Import(out.ImportPath)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(pkg.Scope().Lookup("V").Type())
}