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comparison gcc/testsuite/gcc.dg/pr18241-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do run } */
2 /* { dg-options "-O1" } */
3
4 void abort (void);
5
6 void radix_tree_tag_clear (int *node)
7 {
8 int *path[2], **pathp = path, height;
9 volatile int *addr;
10
11 height = 1;
12 pathp[0] = node;
13
14 while (height > 0) {
15 pathp[1] = pathp[0];
16 pathp++;
17 height--;
18 }
19
20 addr = pathp[0];
21 *addr = 1;
22 }
23
24 int main ()
25 {
26 int n;
27 radix_tree_tag_clear (&n);
28 if (n != 1)
29 abort ();
30 return 0;
31 }