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/* { dg-do compile } */

/* { dg-options "-w -O1 -fdump-tree-optimized" } */

#define vector __attribute__(( vector_size(16) ))

float f(vector float a, int b, vector float c)

{

  vector float dd = c*a;

  a = (vector float){0,0,0,0};

  c = (vector float){0,0,0,0};

  {

   float d = ((float*)&a)[0];

   float d1 = ((float*)&c)[0];

   return d*d1;

  }

}

/* We should be able to optimize this to just "return 0.0;" */

/* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 0 "optimized"} } */

/* { dg-final { scan-tree-dump-times "0.0" 1 "optimized"} } */

/* { dg-final { cleanup-tree-dump "optimized" } } */