| 1 | // RUN: %clangxx -fsanitize=builtin -g0 %s -o %t |
|---|---|
| 2 | |
| 3 | // Suppression by symbol name requires the compiler-rt runtime to be able to |
| 4 | // symbolize stack addresses. |
| 5 | // REQUIRES: can-symbolize |
| 6 | // UNSUPPORTED: android |
| 7 | |
| 8 | // RUN: echo "invalid-builtin-use:do_ctz" > %t.func-supp |
| 9 | // RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.func-supp"' %run %t |
| 10 | |
| 11 | #include <stdint.h> |
| 12 | |
| 13 | extern "C"void do_ctz(int n) { __builtin_ctz(0); } |
| 14 | |
| 15 | int main() { |
| 16 | do_ctz(n: 0); |
| 17 | return 0; |
| 18 | } |
| 19 |