Description
What version of Go are you using (go version)?
$ go version go version go1.11.5 windows/amd64
Does this issue reproduce with the latest release?
Yes
What operating system and processor architecture are you using (go env)?
go env Output
$ go envset GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\Ivan\AppData\Local\go-build
set GOEXE=.exe
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOOS=windows
set GOPATH=C:\Users\Ivan\go
set GOPROXY=
set GORACE=
set GOROOT=C:\Go
set GOTMPDIR=
set GOTOOLDIR=C:\Go\pkg\tool\windows_amd64
set GCCGO=gccgo
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=C:\Users\3C8A~1\AppData\Local\Temp\go-build734602198=/tmp/go-build -gno-record-gcc-switches
What did you do?
https://play.golang.org/p/8oOAL2ZpFYQ
What did you expect to see?
I expect each request to be fulfilled and return a unique page.
What did you see instead?
I see that the body of the page is repeated and I do not find the reason for this.
