gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr40204.c


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/* { dg-require-effective-target int32plus } */
/* PR middle-end/40204 */

struct S
{
  unsigned int a : 4;
  unsigned int b : 28;
} s;
char c;

void
f (void)
{
  s.a = (c >> 4) & ~(1 << 4);
}