1; This input caused the mem2reg pass to die because it was trying to promote
2; the %r alloca, even though it is invalid to do so in this case!
3;
4; RUN: opt < %s -mem2reg
5
6define void @test() {
7	%r = alloca i32		; <i32*> [#uses=2]
8	store i32 4, i32* %r
9	store i32* %r, i32** null
10	ret void
11}
12
13