[dev.power64] code review 160200044: build: merge default into dev.power64

misc/cgo/test/backdoor/runtime.c

 // Copyright 2011 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.
 
 // Expose some runtime functions for testing.
 // Must be in a non-cgo-using package so that
 // the go command compiles this file with 6c, not gcc.
 
 // +build gc
 
 typedef char bool;
 
-bool runtime·lockedOSThread(void);
-
-static void
-FLUSH(void*)
-{
-}
-
-void
-·LockedOSThread(bool b)
-{
-        b = runtime·lockedOSThread();
-        FLUSH(&b);
-}
-
 // This is what a cgo-compiled stub declaration looks like.
 void
 ·Issue7695(struct{void *y[8*sizeof(void*)];}p)
 {
         USED(p);
 }