| // RUN: %clangxx -fsanitize=undefined -shared-libsan %s -o %t && %run %t 2>&1 | FileCheck %s |
| |
| // Ensure ubsan runtime/interceptors are lazily initialized if called early. |
| |
| // The test seems to segfault on aarch64 with tsan: |
| // https://lab.llvm.org/buildbot/#/builders/179/builds/6662 |
| // Reason unknown, needs debugging. |
| // UNSUPPORTED: target=aarch64{{.*}} && ubsan-tsan |
| |
| #include <assert.h> |
| #include <signal.h> |
| #include <stdio.h> |
| |
| __attribute__((constructor(1))) void ctor() { |
| fprintf(stderr, "INIT\n"); |
| struct sigaction old; |
| assert(!sigaction(SIGSEGV, nullptr, &old)); |
| }; |
| |
| int main() { |
| fprintf(stderr, "DONE\n"); |
| return 0; |
| } |
| |
| // CHECK: INIT |
| // CHECK: DONE |
