misc/cgo/test: add skipped test for issue 17065

Updates #17065

Change-Id: I113caced6de666a9b032ab2684ece79482aa7357
Reviewed-on: https://go-review.googlesource.com/28964
Run-TryBot: Josh Bleecher Snyder <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>

Author: josharian

misc/cgo/test/cgo_test.go

@@ -71,5 +71,6 @@ func TestGCC68255(t *testing.T)              { testGCC68255(t) }
 func TestCallGoWithString(t *testing.T)      { testCallGoWithString(t) }
 func Test14838(t *testing.T)                 { test14838(t) }
 func Test8756(t *testing.T)                  { test8756(t) }
+func Test17065(t *testing.T)                 { test17065(t) }
 
 func BenchmarkCgoCall(b *testing.B) { benchCgoCall(b) }

misc/cgo/test/issue17065.go

@@ -0,0 +1,29 @@
+// Copyright 2016 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 cgotest
+
+/*
+// Test that C symbols larger than a page play nicely with the race detector.
+// See issue 17065.
+
+int ii[65537];
+*/
+import "C"
+
+import (
+	"runtime"
+	"testing"
+)
+
+var sink C.int
+
+func test17065(t *testing.T) {
+	if runtime.GOOS == "darwin" {
+		t.Skip("broken on darwin; issue 17065")
+	}
+	for i := range C.ii {
+		sink = C.ii[i]
+	}
+}