cxx, err := exec.Command("go", "env", "CXX").CombinedOutput()
	if err != nil {
		t.Fatalf("go env CXX failed: %s", err)
	}
	args, err := quoted.Split(string(cxx))
	if err != nil {
		t.Skipf("could not parse 'go env CXX' output %q: %s", string(cxx), err)
	}
	if len(args) == 0 {
		t.Skip("no C++ compiler")
	}
	testenv.MustHaveExecPath(t, string(args[0]))
}

var (
	swigOnce sync.Once

	if testing.Short() {
		t.Skip("skipping in short mode")
	}

	if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
		t.Skipf("skipping flaky test on %s; see golang.org/issue/18202", runtime.GOOS)
	}

	if runtime.GOARCH == "mips" || runtime.GOARCH == "mips64" {
		t.Skipf("skipping on %s", runtime.GOARCH)
	}

	attempts := 1000
	threads := 4

	// Restrict the number of attempts based on RLIMIT_NPROC.

import "C"
import "testing"

func testPPC64CallStubs(t *testing.T) {
	// Verify the trampolines run on the testing machine. If they
	// do not, or are missing, a crash is expected.
	if C.TestPPC64Stubs() != 0 {
		t.Skipf("This test requires binutils 2.35 or newer.")
	}

pkg testing, method (*F) Name() string
pkg testing, method (*F) Setenv(string, string)
pkg testing, method (*F) Skip(...interface{})
pkg testing, method (*F) SkipNow()
pkg testing, method (*F) Skipf(string, ...interface{})
pkg testing, method (*F) Skipped() bool
pkg testing, method (*F) TempDir() string
pkg testing, type F struct
pkg testing, type InternalFuzzTarget struct

pkg testing, method (*B) Skip(...interface{})
pkg testing, method (*B) SkipNow()
pkg testing, method (*B) Skipf(string, ...interface{})
pkg testing, method (*B) Skipped() bool
pkg testing, method (*T) Skip(...interface{})
pkg testing, method (*T) SkipNow()
pkg testing, method (*T) Skipf(string, ...interface{})
pkg testing, method (*T) Skipped() bool
pkg testing, method (BenchmarkResult) AllocedBytesPerOp() int64

pkg testing, type TB interface, Logf(string, ...interface{})
pkg testing, type TB interface, Skip(...interface{})
pkg testing, type TB interface, SkipNow()
pkg testing, type TB interface, Skipf(string, ...interface{})
pkg testing, type TB interface, Skipped() bool
pkg testing, type TB interface, unexported methods
pkg text/template, method (Template) Copy() *parse.Tree