1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc // Make sure we generate something sane instead of a ptrtoint 4*f4a2713aSLionel Sambuc // CHECK: bitcast ({ %union.x*, [4 x i8] }* @r to %union.x*), [4 x i8] undef 5*f4a2713aSLionel Sambuc union x {long long b;union x* a;} r = {.a = &r}; 6*f4a2713aSLionel Sambuc 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc // CHECK: global { [3 x i8], [5 x i8] } { [3 x i8] zeroinitializer, [5 x i8] undef } 9*f4a2713aSLionel Sambuc union z { 10*f4a2713aSLionel Sambuc char a[3]; 11*f4a2713aSLionel Sambuc long long b; 12*f4a2713aSLionel Sambuc }; 13*f4a2713aSLionel Sambuc union z y = {}; 14