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annotate gcc/testsuite/gcc.dg/strlenopt-38.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 /* PR tree-optimization/83444 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O2 -fdump-tree-optimized" } */
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4 /* { dg-final { scan-tree-dump-not "abort \\(\\)" "optimized" } } */
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5
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6 #include "strlenopt.h"
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7
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8 void
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9 foo (void)
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10 {
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11 char a[5] = "012";
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12 strcpy (a, "");
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13 if (strlen (a) != 0)
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14 abort ();
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15 }
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16
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17 void
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18 bar (void)
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19 {
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20 char a[5] = "012";
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21 char b[7] = "";
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22 strcpy (a, b);
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23 if (strlen (a) != 0)
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24 abort ();
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25 }
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26
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27 struct S { char a[4]; char b[5]; char c[7]; };
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28
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29 void
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30 baz (void)
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31 {
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32 struct S s;
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33 strcpy (s.b, "012");
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34 strcpy (s.c, "");
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35 strcpy (s.b, s.c);
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36 if (s.b[0] != 0)
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37 abort ();
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38 }
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39
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40 void
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41 boo (void)
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42 {
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43 struct S s;
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44 strcpy (s.b, "012");
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45 strcpy (s.c, "");
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46 strcpy (s.b, s.c);
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47 if (strlen (s.b) != 0)
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48 abort ();
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49 }