// This package only handles gc export data.
	if runtime.Compiler != "gc" {
		t.Skipf("gc-built packages not available (compiler = %s)", runtime.Compiler)
	}

	compileAndImportPkg(t, "issue57015")
}

func importPkg(t *testing.T, path, srcDir string) *types.Package {
	fset := token.NewFileSet()
	pkg, err := Import(fset, make(map[string]*types.Package), path, srcDir, nil)
	if err != nil {
		t.Helper()

// that mirror to the 9 glibc syscalls with POSIX semantics. The test
// here is considered authoritative and should compile and run
// CGO_ENABLED=0 or 1. Note, there is an extended copy of this same
// test in ../../misc/cgo/test/issue1435.go which requires
// CGO_ENABLED=1 and launches pthreads from C that run concurrently
// with the Go code of the test - and the test validates that these
// pthreads are also kept in sync with the security state changed with

	ch := make(chan int)

	for i := 0; i < 42; i++ {
		h := cgo.NewHandle(ch)
		go func() {
			C.cFunc37033(C.uintptr_t(h))
		}()
		if v := <-ch; issue37033 != v {
			t.Fatalf("unexpected receiving value: got %d, want %d", v, issue37033)
		}
		h.Delete()
	}
}

// issue 38649

var issue38649 C.netbsd_gid = 42

// issue 39877

var issue39877 *C.void = nil