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// In the following program, block "A" has no dominator, which would cause Boogie
// to crash if Boogie didn't first remove unreachable blocks. That is essentially
// what this test tests
procedure P()
{
entry:
goto A;
A:
return;
B:
goto A;
}
procedure Q()
{
entry:
goto entry, A;
A:
return;
}
procedure R()
{
entry:
return;
A:
goto A;
}
procedure S()
{
entry:
return;
A:
goto C;
B:
goto C;
C: // C has no dominator
return;
}
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