$ gotip version
go version devel +7a218942be Sat Feb 24 23:13:03 2018 +0000 linux/amd64

package p

var F func(int)

func G() {
	if F(func() int { return 1 }()); false {
	}
}

# command-line-arguments
<autogenerated>:1:0: internal compiler error: cannot export CLOSURE (34) node
==> please file an issue and assign to gri@


goroutine 1 [running]:
runtime/debug.Stack(0x0, 0x0, 0x0)
	/go/src/runtime/debug/stack.go:24 +0xa7
cmd/compile/internal/gc.Fatalf(0xc4469b, 0x47, 0xc0004b9180, 0x2, 0x2)
	/go/src/cmd/compile/internal/gc/subr.go:182 +0x1fc
cmd/compile/internal/gc.(*exporter).expr(0xc0004b95f0, 0xc000001380)
	/go/src/cmd/compile/internal/gc/bexport.go:1478 +0x263
cmd/compile/internal/gc.(*exporter).expr(0xc0004b95f0, 0xc00032b000)
	/go/src/cmd/compile/internal/gc/bexport.go:1421 +0x71b
cmd/compile/internal/gc.(*exporter).exprList(0xc0004b95f0, 0xc000321ee0)
	/go/src/cmd/compile/internal/gc/bexport.go:1225 +0xa9
cmd/compile/internal/gc.(*exporter).expr(0xc0004b95f0, 0xc00032ac80)
	/go/src/cmd/compile/internal/gc/bexport.go:1422 +0x73a
cmd/compile/internal/gc.(*exporter).stmtList(0xc0004b95f0, 0xc000321f00)
	/go/src/cmd/compile/internal/gc/bexport.go:1204 +0x111
cmd/compile/internal/gc.(*exporter).stmt(0xc0004b95f0, 0xc00032ac00)
	/go/src/cmd/compile/internal/gc/bexport.go:1558 +0x646
cmd/compile/internal/gc.(*exporter).stmtList(0xc0004b95f0, 0xc00035a1e0)
	/go/src/cmd/compile/internal/gc/bexport.go:1202 +0x101
cmd/compile/internal/gc.export(0xc0004da4c0, 0xc24200, 0x5)
	/go/src/cmd/compile/internal/gc/bexport.go:400 +0x936
cmd/compile/internal/gc.dumpexport(0xc0004fc190)
	/go/src/cmd/compile/internal/gc/export.go:254 +0x8c
cmd/compile/internal/gc.dumpobj1(0x7ffdb95a02f1, 0x23, 0x3)
	/go/src/cmd/compile/internal/gc/obj.go:94 +0x993
cmd/compile/internal/gc.dumpobj()
	/go/src/cmd/compile/internal/gc/obj.go:50 +0x61
cmd/compile/internal/gc.Main(0xc474e0)
	/go/src/cmd/compile/internal/gc/main.go:675 +0x2b09
main.main()
	/go/src/cmd/compile/main.go:49 +0x95