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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -funit-at-a-time" } */
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3 /* { dg-final { scan-assembler-not "link_error" } } */
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4 /* In unit-at-time the functions should be assembled in order
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5 e q t main, so we realize that they are pure. */
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6
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7 void link_error (void);
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8 static int mem;
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9 static int e(void) __attribute__ ((noinline));
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10 static int q(void) __attribute__ ((noinline));
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11 static int t(void) __attribute__ ((noinline));
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12 int
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13 main()
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14 {
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15 return t();
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16 }
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17 static int t()
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18 {
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19 int r,e;
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20 if (mem)
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21 t();
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22 e=mem;
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23 r=q();
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24 if (e!=mem)
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25 link_error();
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26 return r;
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27 }
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28 static int e()
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29 {
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30 return 0;
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31 }
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32 static int q()
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33 {
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34 int t=mem,r;
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35 r=e();
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36 if (t!=mem)
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37 link_error();
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38 return r;
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39 }
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