1*67e74705SXin Li // RUN: %clang_cc1 %s -emit-llvm -o %t 2*67e74705SXin Li // PR1990 3*67e74705SXin Li 4*67e74705SXin Li struct test { 5*67e74705SXin Li char a[3]; 6*67e74705SXin Li unsigned char b:1; 7*67e74705SXin Li }; 8*67e74705SXin Li f(struct test * t)9*67e74705SXin Livoid f(struct test *t) { 10*67e74705SXin Li t->b = 1; 11*67e74705SXin Li } 12