1*f4a2713aSLionel Sambuc // PR 1419 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -O2 %s -emit-llvm -o - | grep "ret i32 1" 4*f4a2713aSLionel Sambuc struct A { 5*f4a2713aSLionel Sambuc short x; 6*f4a2713aSLionel Sambuc long long :0; 7*f4a2713aSLionel Sambuc }; 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc struct B { 10*f4a2713aSLionel Sambuc char a; 11*f4a2713aSLionel Sambuc char b; 12*f4a2713aSLionel Sambuc unsigned char i; 13*f4a2713aSLionel Sambuc }; 14*f4a2713aSLionel Sambuc 15*f4a2713aSLionel Sambuc union X { struct A a; struct B b; }; 16*f4a2713aSLionel Sambuc check(void)17*f4a2713aSLionel Sambucint check(void) { 18*f4a2713aSLionel Sambuc union X x, y; 19*f4a2713aSLionel Sambuc 20*f4a2713aSLionel Sambuc y.b.i = 0xff; 21*f4a2713aSLionel Sambuc x = y; 22*f4a2713aSLionel Sambuc return (x.b.i == 0xff); 23*f4a2713aSLionel Sambuc } 24