runtime: remove go:noescape from getcallerpc/sp

getcallerpc and getcallerps dropped their arguments in CL 65474 and CL
109596, respectively.

Without an argument there is nothing to escape.

Change-Id: I24f300d039a2a0615ca0c3ea247125676a6237d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/613497
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>

diff --git a/src/runtime/stubs.go b/src/runtime/stubs.go
index 2c3c5e3541ad4ac9c06ddf551f72a007c13499c8..0cc404f0301d39ec21e1797bbdbfe3542123ea99 100644 (file)
--- a/src/runtime/stubs.go
+++ b/src/runtime/stubs.go
@@ -309,8 +309,7 @@ func publicationBarrier()
 
 // getcallerpc returns the program counter (PC) of its caller's caller.
 // getcallersp returns the stack pointer (SP) of its caller's caller.
-// The implementation may be a compiler intrinsic; there is not
-// necessarily code implementing this on every platform.
+// Both are implemented as intrinsics on every platform.
 //
 // For example:
 //
@@ -331,11 +330,9 @@ func publicationBarrier()
 // A general rule is that the result of getcallersp should be used
 // immediately and can only be passed to nosplit functions.
 
-//go:noescape
 func getcallerpc() uintptr
 
-//go:noescape
-func getcallersp() uintptr // implemented as an intrinsic on all platforms
+func getcallersp() uintptr
 
 // getclosureptr returns the pointer to the current closure.
 // getclosureptr can only be used in an assignment statement