| 1 | // RUN: %clangxx -fsanitize=undefined -shared-libsan %s -o %t && %run %t 2>&1 | FileCheck %s |
|---|---|
| 2 | |
| 3 | // Ensure ubsan runtime/interceptors are lazily initialized if called early. |
| 4 | |
| 5 | // The test seems to segfault on aarch64 with tsan: |
| 6 | // https://lab.llvm.org/buildbot/#/builders/179/builds/6662 |
| 7 | // Reason unknown, needs debugging. |
| 8 | // UNSUPPORTED: target=aarch64{{.*}} && ubsan-tsan |
| 9 | |
| 10 | #include <assert.h> |
| 11 | #include <signal.h> |
| 12 | #include <stdio.h> |
| 13 | |
| 14 | __attribute__((constructor(1))) void ctor() { |
| 15 | fprintf(stderr, format: "INIT\n"); |
| 16 | struct sigaction old; |
| 17 | assert(!sigaction(SIGSEGV, nullptr, &old)); |
| 18 | }; |
| 19 | |
| 20 | int main() { |
| 21 | fprintf(stderr, format: "DONE\n"); |
| 22 | return 0; |
| 23 | } |
| 24 | |
| 25 | // CHECK: INIT |
| 26 | // CHECK: DONE |
| 27 |