| 1 | // RUN: %clangxx_msan %s -fno-sanitize-memory-param-retval -o %t && %run %t >%t.out 2>&1 |
| 2 | // RUN: FileCheck %s --check-prefix=MISSED --allow-empty < %t.out |
| 3 | // RUN: %clangxx_msan %s -mllvm -msan-eager-checks=1 -fno-sanitize-memory-param-retval -o %t && not %run %t >%t.out 2>&1 |
| 4 | // RUN: FileCheck %s < %t.out |
| 5 | |
| 6 | struct SimpleStruct { |
| 7 | int md1; |
| 8 | }; |
| 9 | |
| 10 | static int sink; |
| 11 | |
| 12 | static void examineValue(int x) { sink = x; } |
| 13 | |
| 14 | int main(int argc, char *argv[]) { |
| 15 | auto ss = new SimpleStruct; |
| 16 | examineValue(x: ss->md1); |
| 17 | |
| 18 | return 0; |
| 19 | } |
| 20 | |
| 21 | // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
| 22 | // MISSED-NOT: use-of-uninitialized-value |
| 23 | |