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 (format: "fail %d %p\n", N, p); |
18 | return 1; |
19 | } |
20 | return 0; |
21 | } |
22 |