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time: time.Since returns a positive value for a max int64 unix time #53514

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adirizka7 opened this issue Jun 23, 2022 · 2 comments
Closed

time: time.Since returns a positive value for a max int64 unix time #53514

adirizka7 opened this issue Jun 23, 2022 · 2 comments
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@adirizka7
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What version of Go are you using (go version)?

$ go version
go version go1.18 darwin/amd64

Does this issue reproduce with the latest release?

Haven't tested.

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE="auto"
GOARCH="amd64"
GOBIN="/Users/user/go/bin"
GOCACHE="/Users/user/Library/Caches/go-build"
GOENV="/Users/user/Library/Application Support/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/user/go/pkg/mod"
GONOPROXY="github.com/company/*"
GONOSUMDB="github.com/company/*"
GOOS="darwin"
GOPATH="/Users/user/go"
GOPRIVATE="github.com/company/*"
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/Cellar/go/1.18/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.18/libexec/pkg/tool/darwin_amd64"
GOVCS=""
GOVERSION="go1.18"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD=""
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/43/tj8j9j210w90_qk38fv70gs80000gp/T/go-build119987376=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

I ran this.

package main

import (
	"fmt"
	"math"
	"time"
)

func main() {
	updatedAt := time.Unix(math.MaxInt64, 0)
	fmt.Println(updatedAt)
        fmt.Println(time.Since(updatedAt))

	updatedAt = time.Unix(922337203685477580, 0)
	fmt.Println(time.Since(updatedAt))
}

What did you expect to see?

I expect to see the output of time.Since(maxInt64) as a negative value.

What did you see instead?

It returns a positive value.

292277026596-12-04 15:30:07 +0000 UTC
2562047h47m16.854775807s
-2562047h47m16.854775808s
@ZekeLu
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ZekeLu commented Jun 23, 2022

Duplicate of #6210 and #10906.

@seankhliao
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Duplicate of #10906

@seankhliao seankhliao marked this as a duplicate of #10906 Jun 23, 2022
@seankhliao seankhliao closed this as not planned Won't fix, can't repro, duplicate, stale Jun 23, 2022
@golang golang locked and limited conversation to collaborators Jun 23, 2023
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@ZekeLu @gopherbot @seankhliao @adirizka7