gcc-4.9/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-5.C


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/* { dg-do compile } */
/* { dg-options "-Wstrict-aliasing=2 -O2" } */

float foo ()
{
  unsigned int MASK = 0x80000000;
  return (float &) MASK; /* { dg-warning "strict-aliasing" } */
}