What version of Go are you using (go version)?

go version devel +f700f89 Thu May 18 00:05:25 2017 +0000 linux/arm64

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

GOARCH="arm64"
GOBIN=""
GOEXE=""
GOHOSTARCH="arm64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/weixia01/go"
GORACE=""
GOROOT="/home/weixia01/workspace/llt/golang/golang"
GOTOOLDIR="/home/weixia01/workspace/llt/golang/golang/pkg/tool/linux_arm64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build782184296=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"

What did you do?

$export GO_GCFLAGS="-l"
$cd src/
$./make.bash
$../bin/go

What did you expect to see?

go run successfully

What did you see instead?

runtime: newstack sp=0x4420049720 stack=[0x4420049000, 0x4420049800]
morebuf={pc:0x4105f0 sp:0x4420049720 lr:0x0}
sched={pc:0x410074 sp:0x4420049720 lr:0x4105f0 ctxt:0x0}
os/signal.signal_recv(0x0)
/home/weixia01/workspace/llt/golang/golang/src/runtime/sigqueue.go:116 +0xc8
os/signal.loop()
/home/weixia01/workspace/llt/golang/golang/src/os/signal/signal_unix.go:22 +0x18
created by os/signal.init.0
/home/weixia01/workspace/llt/golang/golang/src/os/signal/signal_unix.go:28 +0x30
fatal error: runtime: stack split at bad time

runtime stack:
runtime.throw(0x7cffd9, 0x20)
/home/weixia01/workspace/llt/golang/golang/src/runtime/panic.go:596 +0x70
runtime.newstack(0x0)
/home/weixia01/workspace/llt/golang/golang/src/runtime/stack.go:950 +0x99c
runtime.morestack()
/home/weixia01/workspace/llt/golang/golang/src/runtime/asm_arm64.s:308 +0x68

goroutine 20 [syscall]:
runtime.notetsleep_internal(0xa098a0, 0xffffffffffffffff, 0x0)
/home/weixia01/workspace/llt/golang/golang/src/runtime/lock_futex.go:171 +0x50 fp=0x4420049750 sp=0x4420049720
runtime.notetsleepg(0xa098a0, 0xffffffffffffffff, 0x0)
/home/weixia01/workspace/llt/golang/golang/src/runtime/lock_futex.go:227 +0x40 fp=0x4420049780 sp=0x4420049750
os/signal.signal_recv(0x0)
/home/weixia01/workspace/llt/golang/golang/src/runtime/sigqueue.go:116 +0xc8 fp=0x44200497a0 sp=0x4420049780
os/signal.loop()
/home/weixia01/workspace/llt/golang/golang/src/os/signal/signal_unix.go:22 +0x18 fp=0x44200497d0 sp=0x44200497a0
runtime.goexit()
/home/weixia01/workspace/llt/golang/golang/src/runtime/asm_arm64.s:931 +0x4 fp=0x44200497d0 sp=0x44200497d0
created by os/signal.init.0
/home/weixia01/workspace/llt/golang/golang/src/os/signal/signal_unix.go:28 +0x30

goroutine 1 [runnable, locked to thread]:
cmd/go/internal/work.init()
:1 +0x27c
cmd/go/internal/envcmd.init()
:1 +0x70
cmd/go/internal/bug.init()
:1 +0x80
main.init()
:1 +0x70

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
/home/weixia01/workspace/llt/golang/golang/src/runtime/asm_arm64.s:931 +0x4