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/* { dg-do compile } */

/* { dg-options "-msse" { target { i?86-*-* x86_64-*-* } } } */

// This used to fail as we would try to expand a VCE where one side had

// a mode of BLKmode and the other side was a vector mode.

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

struct struct1  {

  union { float a[3]; }    vmx;

  struct struct2   {

    struct2(const struct2& r) {}

  } w;

} __attribute__((aligned(16)));

struct struct3  {

  vector float vmx;

  operator const struct1& () const{

    return *reinterpret_cast(this);

  }

};

struct3 func3( struct3 V1);

struct3 func2( void );

void func1( )  {

  struct1 vVec = func2() ;

  func3 ( (struct3&)vVec );

}