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// PR target/12900

// Origin: 

// This used to fail on x86 because the reg-stack pass

// deleted a valid edge.

// { dg-do compile }

// { dg-options "-mtune=i586 -O2" { target { { i?86-*-* x86_64-*-* } && ia32 } } }

struct array {

  double data;

  virtual ~array();

};

double glob;

double ext1(double);

int nmuons;

void track_match()

{

  array vecdca;

  if (glob < 10) return;

  double p = glob*5;

  double phi = vecdca.data;

  ext1 (vecdca.data-glob);

  ext1 (phi*2);

  if (1 < p)

    ++nmuons;

}