1 /* { dg-do compile } */ 2 /* { dg-options "-O -march=z196 -m64 -w" } */ 3 union U { int r; float f; }; 4 struct A { 5 int a; 6 union U b[64]; 7 }; 8 double foo (double); 9 10 void bar(struct A * z,int x)11bar (struct A *z, int x) 12 { 13 union U y; 14 y.f = foo (z->b[x].f); 15 z->a = y.r ? 4 : y.r; 16 } 17