libgo: Update to Go 1.0.2 release.

From-SVN: r188943

1 files changed, 3 insertions, 2 deletions

diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go
index 659c8f44..09d1391 100644
--- a/libgo/go/runtime/extern.go
+++ b/libgo/go/runtime/extern.go
@@ -20,7 +20,7 @@ func Goexit()
 
 // Caller reports file and line number information about function invocations on
 // the calling goroutine's stack.  The argument skip is the number of stack frames
-// to ascend, with 1 identifying the caller of Caller.  (For historical reasons the
+// to ascend, with 0 identifying the caller of Caller.  (For historical reasons the
 // meaning of skip differs between Caller and Callers.) The return values report the
 // program counter, file name, and line number within the file of the corresponding
 // call.  The boolean ok is false if it was not possible to recover the information.
@@ -28,7 +28,8 @@ func Caller(skip int) (pc uintptr, file string, line int, ok bool)
 
 // Callers fills the slice pc with the program counters of function invocations
 // on the calling goroutine's stack.  The argument skip is the number of stack frames
-// to skip before recording in pc, with 0 starting at the caller of Callers.
+// to skip before recording in pc, with 0 identifying the frame for Callers itself and
+// 1 identifying the caller of Callers.
 // It returns the number of entries written to pc.
 func Callers(skip int, pc []uintptr) int