1; RUN: opt < %s -instcombine -S | grep icmp
2; PR1678
3
4@A = weak alias void ()* @B		; <void ()*> [#uses=1]
5
6define weak void @B() {
7       ret void
8}
9
10define i32 @active() {
11entry:
12	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
13	%tmp1 = icmp ne void ()* @A, null		; <i1> [#uses=1]
14	%tmp12 = zext i1 %tmp1 to i32		; <i32> [#uses=1]
15	ret i32 %tmp12
16}
17