| 1 | // RUN: %clang_tysan -O0 %s -o %t && %run %t >%t.out 2>&1 && FileCheck --check-prefix=CHECK-SANITIZED %s < %t.out |
| 2 | // RUN: %clang_tysan -DNOSAN -O0 %s -o %t && %run %t >%t.out 2>&1 && FileCheck --check-prefix=CHECK-NOSAN %s < %t.out |
| 3 | // RUN: %clang -O0 %s -o %t && %run %t >%t.out 2>&1 && FileCheck --check-prefix=CHECK-SIMPLE %s < %t.out |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | #if __has_feature(type_sanitizer) |
| 8 | |
| 9 | # ifdef NOSAN |
| 10 | __attribute__((no_sanitize("type" ))) |
| 11 | # endif |
| 12 | int main(){ |
| 13 | |
| 14 | int value = 42; |
| 15 | printf("As float: %f\n" , *(float *)&value); |
| 16 | // CHECK-SANITIZED: ERROR: TypeSanitizer |
| 17 | // CHECK-NOSAN-NOT: ERROR: TypeSanitizer |
| 18 | |
| 19 | return 0; |
| 20 | } |
| 21 | |
| 22 | #else |
| 23 | |
| 24 | int main() { |
| 25 | printf(format: "Nothing interesting here\n" ); |
| 26 | return 0; |
| 27 | } |
| 28 | // CHECK-SIMPLE: Nothing interesting here |
| 29 | |
| 30 | #endif |
| 31 | |