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comparison libmudflap/testsuite/libmudflap.c/fail33-frag.c @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 #include <stdlib.h>
2
3 #define SIZE 16
4
5 char b[SIZE];
6 char a[SIZE];
7
8 int main ()
9 {
10 int i, j=0, k;
11 int a_before_b = (& a[0] < & b[0]);
12 /* Rather than iterating linearly, which would allow loop unrolling
13 and mapping to pointer manipulation, we traverse the "joined"
14 arrays in some random order. */
15 for (i=0; i<SIZE*2; i++)
16 {
17 k = rand() % (SIZE*2);
18 j += (a_before_b ? a[k] : b[k]);
19 }
20 return j;
21 }
22 /* { dg-output "mudflap violation 1.*" } */
23 /* { dg-output "Nearby object.*" } */
24 /* { dg-output "mudflap object.*\[ab\]" } */
25 /* { dg-do run { xfail *-*-* } } */