| Alexander Kornienko | 23fe959 | 2014-05-15 14:27:36 +0000 | [diff] [blame] | 1 | // RUN: clang-tidy -checks='-*,clang-analyzer-core.NullDereference' -analyze-temporary-dtors %s -- | FileCheck %s |
| Alex McCarthy | fec08c7 | 2014-04-30 14:09:24 +0000 | [diff] [blame] | 2 | |
| 3 | struct NoReturnDtor { |
| 4 | ~NoReturnDtor() __attribute__((noreturn)); |
| 5 | }; |
| 6 | |
| 7 | extern bool check(const NoReturnDtor &); |
| 8 | |
| 9 | // CHECK-NOT: warning |
| 10 | void testNullPointerDereferencePositive() { |
| 11 | int *value = 0; |
| 12 | // CHECK: [[@LINE+1]]:10: warning: Dereference of null pointer (loaded from variable 'value') [clang-analyzer-core.NullDereference] |
| 13 | *value = 1; |
| 14 | } |
| 15 | |
| 16 | // CHECK-NOT: warning |
| 17 | void testNullPointerDereference() { |
| 18 | int *value = 0; |
| 19 | if (check(NoReturnDtor())) { |
| 20 | // This unreachable code causes a warning if we don't run with -analyze-temporary-dtors |
| 21 | *value = 1; |
| 22 | } |
| 23 | } |