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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O2" } */
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3 /* { dg-require-effective-target nonlocal_goto } */
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4
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5 extern void abort (void);
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6
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7 int global;
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8
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9 static int foo(void) __attribute__((noinline));
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10
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11 static int foo(void)
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12 {
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13 global = 1;
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14 }
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15
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16 static int bar(void)
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17 {
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18 foo ();
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19 global = 0;
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20 }
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21
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22 int execute(int cmd)
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23 {
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24 __label__ start;
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25
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26 void raise(void)
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27 {
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28 goto start;
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29 }
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30
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31 int last;
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32
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33 bar ();
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34
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35 last = 0;
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36
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37 start:
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38
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39 if (last == 0)
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40 while (1)
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41 {
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42 last = 1;
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43 raise ();
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44 }
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45
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46 if (last == 0)
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47 return 0;
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48 else
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49 return cmd;
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50 }
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51
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52 int main(void)
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53 {
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54 if (execute (1) == 0)
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55 abort ();
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56
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57 return 0;
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58 }
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