1 | // RUN: %clang_tysan -O0 %s -o %t && %run %t >%t.out 2>&1 |
2 | // RUN: FileCheck --check-prefixes=CHECK,CHECK-SHORT %s < %t.out |
3 | |
4 | // RUN: %env_tysan_opts=print_stacktrace=1 %run %t >%t.out 2>&1 |
5 | // RUN: FileCheck --check-prefixes=CHECK,CHECK-LONG %s < %t.out |
6 | |
7 | float *P; |
8 | void zero_array() { |
9 | int i; |
10 | for (i = 0; i < 1; ++i) |
11 | P[i] = 0.0f; |
12 | // CHECK: ERROR: TypeSanitizer: type-aliasing-violation |
13 | // CHECK: WRITE of size 4 at {{.*}} with type float accesses an existing object of type p1 float |
14 | // CHECK: {{#0 0x.* in zero_array .*print_stacktrace.c:}}[[@LINE-3]] |
15 | // CHECK-SHORT-NOT: {{#1 0x.* in main .*print_stacktrace.c}} |
16 | // CHECK-LONG-NEXT: {{#1 0x.* in main .*print_stacktrace.c}} |
17 | } |
18 | |
19 | int main() { |
20 | P = (float *)&P; |
21 | zero_array(); |
22 | } |
23 | |