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[dev.typeparams] runtime: remove tracebackdefers

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tracebackdefers is used for scanning/copying deferred functions'
arguments. Now that deferred functions are always argumentless,
it does nothing. Remove.

Change-Id: I55bedabe5584ea41a12cdb03d55ec9692a5aacd9
Reviewed-on: https://go-review.googlesource.com/c/go/+/325916
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Cherry Mui 2021-06-04 17:18:09 -04:00
parent 12b37b713f
commit 00d01b5786
3 changed files with 2 additions and 42 deletions
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5
src/runtime/stack.go
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@ -753,11 +753,6 @@ func adjustdefers(gp *g, adjinfo *adjustinfo) {
adjustpointer(adjinfo, unsafe.Pointer(&d.varp))
adjustpointer(adjinfo, unsafe.Pointer(&d.fd))
}
// Adjust defer argument blocks the same way we adjust active stack frames.
// Note: this code is after the loop above, so that if a defer record is
// stack allocated, we work on the copy in the new stack.
tracebackdefers(gp, adjustframe, noescape(unsafe.Pointer(adjinfo)))
}
func adjustpanics(gp *g, adjinfo *adjustinfo) {