gcc/testsuite/g++.dg/pr57175.C


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/* { dg-do compile } */
/* { dg-options "-std=c++11" } */

extern "C" void do_not_remove ();

struct A
{
  A () { }
  A (A const&) { do_not_remove (); }
};

A
f ()
{
  alignas (2 * alignof (A)) A x;
  return x;
}

/* { dg-final { scan-assembler "do_not_remove" } } */