libgo: update to go1.7rc3

    
    Reviewed-on: https://go-review.googlesource.com/25150

From-SVN: r238662

4 files changed, 11 insertions, 5 deletions

diff --git a/libgo/go/runtime/debug/garbage.go b/libgo/go/runtime/debug/garbage.go
index 0f8a44c..8d52837 100644
--- a/libgo/go/runtime/debug/garbage.go
+++ b/libgo/go/runtime/debug/garbage.go
@@ -1,4 +1,4 @@
-// Copyright 2013 The Go Authors.  All rights reserved.
+// Copyright 2013 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.
 
@@ -149,7 +149,13 @@ func SetPanicOnFault(enabled bool) bool
 
 // WriteHeapDump writes a description of the heap and the objects in
 // it to the given file descriptor.
-// The heap dump format is defined at https://golang.org/s/go13heapdump.
+//
+// WriteHeapDump suspends the execution of all goroutines until the heap
+// dump is completely written.  Thus, the file descriptor must not be
+// connected to a pipe or socket whose other end is in the same Go
+// process; instead, use a temporary file or network socket.
+//
+// The heap dump format is defined at https://golang.org/s/go15heapdump.
 func WriteHeapDump(fd uintptr)
 
 // SetTraceback sets the amount of detail printed by the runtime in
diff --git a/libgo/go/runtime/debug/garbage_test.go b/libgo/go/runtime/debug/garbage_test.go
index 21bf6eb..3d07cbb 100644
--- a/libgo/go/runtime/debug/garbage_test.go
+++ b/libgo/go/runtime/debug/garbage_test.go
@@ -1,4 +1,4 @@
-// Copyright 2013 The Go Authors.  All rights reserved.
+// Copyright 2013 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.
 
diff --git a/libgo/go/runtime/debug/heapdump_test.go b/libgo/go/runtime/debug/heapdump_test.go
index 5761c01..7d5b950 100644
--- a/libgo/go/runtime/debug/heapdump_test.go
+++ b/libgo/go/runtime/debug/heapdump_test.go
@@ -38,7 +38,7 @@ type Obj struct {
 }
 
 func objfin(x *Obj) {
-	println("finalized", x)
+	//println("finalized", x)
 }
 
 func TestWriteHeapDumpFinalizers(t *testing.T) {
diff --git a/libgo/go/runtime/debug/stack_test.go b/libgo/go/runtime/debug/stack_test.go
index 0f769ee..5f9f60c 100644
--- a/libgo/go/runtime/debug/stack_test.go
+++ b/libgo/go/runtime/debug/stack_test.go
@@ -57,7 +57,7 @@ func TestStack(t *testing.T) {
 }
 
 func check(t *testing.T, line, has string) {
-	if strings.Index(line, has) < 0 {
+	if !strings.Contains(line, has) {
 		t.Errorf("expected %q in %q", has, line)
 	}
 }