| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | |||||
| 3 | #ifndef N | ||||
| 4 | # define N 0 | ||||
| 5 | #endif | ||||
| 6 | |||||
| 7 | static __thread int var = 4; | ||||
| 8 | |||||
| 9 | int | ||||
| 10 | test (void) | ||||
| 11 | { | ||||
| 12 | int *p = &var; | ||||
| 13 | /* GCC assumes &var is never NULL, add optimization barrier. */ | ||||
| 14 | asm volatile ("" : "+r" (p)); | ||||
| 15 | if (p == NULL || *p != 4) | ||||
| 16 | { | ||||
| 17 | printf ("fail %d %p\n", N, p); | ||||
| 18 | return 1; | ||||
| 19 | } | ||||
| 20 | return 0; | ||||
| 21 | } | ||||