code review 4440062: fmt: decrease recursion depth

src/pkg/fmt/scan_test.go

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package fmt_test
 
 import (
         "bufio"
         "bytes"
         . "fmt"
@@ skipping 792 matching lines @@
 }
 
 func TestScanInts(t *testing.T) {
         testScanInts(t, scanInts)
         testScanInts(t, func(r *RecursiveInt, b *bytes.Buffer) (err os.Error) {
                 _, err = Fscan(b, r)
                 return
         })
 }
 
+// 800 is small enough to not overflow the stack when using gccgo on a
+// platform that does not support split stack.
 const intCount = 800
 
 func testScanInts(t *testing.T, scan func(*RecursiveInt, *bytes.Buffer) os.Error) {
         r := new(RecursiveInt)
         ints := makeInts(intCount)
         buf := bytes.NewBuffer(ints)
         err := scan(r, buf)
         if err != nil {
                 t.Error("unexpected error", err)
         }
@@ skipping 25 matching lines @@
         b.ResetTimer()
         ints := makeInts(intCount)
         var r RecursiveInt
         for i := b.N - 1; i >= 0; i-- {
                 buf := bytes.NewBuffer(ints)
                 b.StartTimer()
                 Fscan(buf, &r)
                 b.StopTimer()
         }
 }