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runtime: remove stale comment about getcallerpc/sp

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Getcallerpc/sp no longer takes argument.

Change-Id: I80b30020e798990c59c8ffd0a4e078af6a75aea0
Reviewed-on: https://go-review.googlesource.com/109696
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Cherry Zhang 2018-04-26 16:41:53 -04:00
parent e357ece0af
commit 148a26539b
1 changed files with 1 additions and 4 deletions
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5
src/runtime/stubs.go
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@ -213,10 +213,7 @@ func publicationBarrier()
// the call to f (where f will return).
//
// The call to getcallerpc and getcallersp must be done in the
// frame being asked about. It would not be correct for f to pass &arg1
// to another function g and let g call getcallerpc/getcallersp.
// The call inside g might return information about g's caller or
// information about f's caller or complete garbage.
// frame being asked about.
//
// The result of getcallersp is correct at the time of the return,
// but it may be invalidated by any subsequent call to a function