| 1 | // RUN: %clang -x c -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
|---|---|
| 2 | // RUN: %clang -x c -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 3 | // RUN: %clang -x c -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 4 | // RUN: %clang -x c -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 5 | |
| 6 | // RUN: %clangxx -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 7 | // RUN: %clangxx -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 8 | // RUN: %clangxx -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 9 | // RUN: %clangxx -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="runtime error:" |
| 10 | |
| 11 | #include <stdlib.h> |
| 12 | |
| 13 | int main(int argc, char *argv[]) { |
| 14 | char *base, *result; |
| 15 | |
| 16 | base = (char *)0; |
| 17 | result = base + 0; |
| 18 | // CHECK-NOT: runtime error: |
| 19 | |
| 20 | base = (char *)0; |
| 21 | result = base + 1; |
| 22 | // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset 1 to null pointer |
| 23 | |
| 24 | base = (char *)1; |
| 25 | result = base - 1; |
| 26 | // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer |
| 27 | |
| 28 | return 0; |
| 29 | } |
| 30 |