cmd/compile: internal compiler error: plain block b3 len(Succs)==2, want 1

[Dmitry Vyukov]

on dev.ssa branch
go version devel +be2a3e2 Thu Jul 2 08:29:33 2015 +0000 linux/amd64

compile crashes on the following program:

package a
func f_ssa(){_:_:}

go.go:2: internal compiler error: plain block b3 len(Succs)==2, want 1

[Dmitry Vyukov]

@josharian @DanielMorsing

[GopherBot]

CL https://golang.org/cl/12093 mentions this issue.

[Josh Bleecher Snyder]

Fixed by CL 12093.