/* PR tree-optimization/93582 */ /* { dg-do compile { target int32 } } */ /* { dg-options "-O2 -fdump-tree-fre1" } */ /* { dg-final { scan-tree-dump "return 593;" "fre1" } } */ union U { struct S { int a : 1, b : 14, c : 17; } s; struct T { int d : 2; int e : 12; int f : 18; } t; }; int foo (void) { union U u; u.s.b = -7005; return u.t.e; }