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131
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1 /* PR tree-optimization/86400 - set<string>::set<char (*)[2]) constructor
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2 does not work with array argument
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3 Verify that strlen() calls with one-character array elements of
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4 multidimensional arrays are still folded.
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5 { dg-do compile }
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6 { dg-options "-O2 -Wall -fdump-tree-optimized" } */
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7
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8 #include "strlenopt.h"
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9
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10 void f (void)
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11 {
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12 extern char a[2][1];
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13 int n = strlen (a[1]);
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145
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14 if (n >= sizeof a)
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131
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15 abort();
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16 }
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17
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18 void g (void)
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19 {
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20 extern char b[3][2][1];
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21 int n = strlen (b[2][1]);
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145
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22 if (n >= sizeof b)
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131
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23 abort();
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24 }
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25
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26 void h (void)
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27 {
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28 extern char c[4][3][2][1];
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29 int n = strlen (c[3][2][1]);
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145
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30 if (n >= sizeof c)
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131
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31 abort();
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32 }
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33
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145
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34 /* { dg-final { scan-tree-dump-times "strlen1" 0 "optimized" } }
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131
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35 { dg-final { scan-tree-dump-times "abort" 0 "optimized" } } */
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