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runtime: fix linkname signature for godebug

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This signature uses the wrong type for the passed function, which
will be saved in the internal runtime map. Since the functions are
likely compatible (uint64 return versus int64), this may work but
should generally be fixed.

This is other instance of #58440.

Change-Id: Ied82e554745ef72eefeb5be540605809ffa06533
Reviewed-on: https://go-review.googlesource.com/c/go/+/470915
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Pratt <mpratt@google.com>
This commit is contained in:
Adin Scannell 2023-02-23 22:22:29 +00:00 • committed by Gopher Robot
parent f98dd29910
commit 52fea4b3d9
1 changed files with 2 additions and 2 deletions
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4
src/internal/godebug/godebug.go
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@ -45,7 +45,7 @@ type Setting struct {
type setting struct {
value atomic.Pointer[string]
nonDefaultOnce sync.Once
nonDefault atomic.Int64
nonDefault atomic.Uint64
}
// New returns a new Setting for the $GODEBUG setting with the given name.
@ -145,7 +145,7 @@ func setUpdate(update func(string, string))
// It forwards registrations to runtime/metrics.
//
//go:linkname registerMetric
func registerMetric(name string, read func() int64)
func registerMetric(name string, read func() uint64)
// setNewNonDefaultInc is provided by package runtime.
// The runtime can do