runtime: move atoi to internal/runtime/strconv

Moving to a smaller package allows its use in other internal/runtime
packages.

This isn't internal/strconvlite since it can't be used directly by
strconv.

For #73193.

Change-Id: I6a6a636c9c8b3f06b5fd6c07fe9dd5a7a37d1429
Reviewed-on: https://go-review.googlesource.com/c/go/+/672697
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Michael Pratt <mpratt@google.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/runtime/runtime1.go b/src/runtime/runtime1.go
index 2132ceecb2..5beaa4dd74 100644
--- a/src/runtime/runtime1.go
+++ b/src/runtime/runtime1.go
@@ -8,6 +8,7 @@ import (
 	"internal/bytealg"
 	"internal/goarch"
 	"internal/runtime/atomic"
+	"internal/runtime/strconv"
 	"unsafe"
 )
 
@@ -526,13 +527,13 @@ func parsegodebug(godebug string, seen map[string]bool) {
 		// is int, not int32, and should only be updated
 		// if specified in GODEBUG.
 		if seen == nil && key == "memprofilerate" {
-			if n, ok := atoi(value); ok {
+			if n, ok := strconv.Atoi(value); ok {
 				MemProfileRate = n
 			}
 		} else {
 			for _, v := range dbgvars {
 				if v.name == key {
-					if n, ok := atoi32(value); ok {
+					if n, ok := strconv.Atoi32(value); ok {
 						if seen == nil && v.value != nil {
 							*v.value = n
 						} else if v.atomic != nil {
@@ -572,7 +573,7 @@ func setTraceback(level string) {
 		fallthrough
 	default:
 		t = tracebackAll
-		if n, ok := atoi(level); ok && n == int(uint32(n)) {
+		if n, ok := strconv.Atoi(level); ok && n == int(uint32(n)) {
 			t |= uint32(n) << tracebackShift
 		}
 	}