| /* { dg-do run } */ | |
| /* { dg-options "-O1" } */ | |
| void abort (void); | |
| void radix_tree_tag_clear (int *node) | |
| { | |
| int *path[2], **pathp = path, height; | |
| volatile int *addr; | |
| height = 1; | |
| pathp[0] = node; | |
| while (height > 0) { | |
| pathp[1] = pathp[0]; | |
| pathp++; | |
| height--; | |
| } | |
| addr = pathp[0]; | |
| *addr = 1; | |
| } | |
| int main () | |
| { | |
| int n; | |
| radix_tree_tag_clear (&n); | |
| if (n != 1) | |
| abort (); | |
| return 0; | |
| } |