{`package f0 ; var _ float32 =  1e-200`, `1e-200`, `float32`, `0`},
		{`package f1 ; var _ float32 = -1e-200`, `-1e-200`, `float32`, `0`},
		{`package f2a; var _ float64 =  1e-2000`, `1e-2000`, `float64`, `0`},
		{`package f3a; var _ float64 = -1e-2000`, `-1e-2000`, `float64`, `0`},
		{`package f2b; var _         =  1e-2000`, `1e-2000`, `float64`, `0`},

// avoided.
func TestWriterReadFromCounts(t *testing.T) {
	var w0 writeCountingDiscard
	b0 := NewWriterSize(&w0, 1234)
	b0.WriteString(strings.Repeat("x", 1000))
	if w0 != 0 {
		t.Fatalf("write 1000 'x's: got %d writes, want 0", w0)
	}
	b0.WriteString(strings.Repeat("x", 200))
	if w0 != 0 {
		t.Fatalf("write 1200 'x's: got %d writes, want 0", w0)
	}

		if got := IndexRune([]byte(tt.in), tt.rune); got != tt.want {
			t.Errorf("IndexRune(%q, %d) = %v; want %v", tt.in, tt.rune, got, tt.want)
		}
	}

	haystack := []byte("test世界")
	allocs := testing.AllocsPerRun(1000, func() {
		if i := IndexRune(haystack, 's'); i != 2 {
			t.Fatalf("'s' at %d; want 2", i)
		}
		if i := IndexRune(haystack, '世'); i != 4 {
			t.Fatalf("'世' at %d; want 4", i)
		}
	})
	if allocs != 0 {

	}
	state := &f.Cache.debugState
	state.loggingLevel = loggingLevel % 1000

	// A specific number demands exactly that many iterations. Under
	// particular circumstances it make require more than the total of
	// 2 passes implied by a single run through liveness and a single
	// run through location list generation.
	state.convergeCount = loggingLevel / 1000
	state.f = f
	state.registers = f.Config.registers