| Peter Collingbourne | 49d29ed | 2013-10-20 21:29:32 +0000 | [diff] [blame^] | 1 | // RUN: %clangxx -fsanitize=undefined %s -o %t && %t 2>&1 | FileCheck %s |
| Will Dietz | 2af552f | 2013-01-09 03:40:03 +0000 | [diff] [blame] | 2 | // Verify deduplication works by ensuring only one diag is emitted. |
| 3 | #include <limits.h> |
| 4 | #include <stdio.h> |
| 5 | |
| 6 | void overflow() { |
| 7 | int i = INT_MIN; |
| 8 | --i; |
| 9 | } |
| 10 | |
| 11 | int main() { |
| 12 | // CHECK: Start |
| 13 | fprintf(stderr, "Start\n"); |
| 14 | |
| 15 | // CHECK: runtime error |
| 16 | // CHECK-NOT: runtime error |
| 17 | // CHECK-NOT: runtime error |
| 18 | overflow(); |
| 19 | overflow(); |
| 20 | overflow(); |
| 21 | |
| 22 | // CHECK: End |
| 23 | fprintf(stderr, "End\n"); |
| 24 | return 0; |
| 25 | } |