1// RUN: %clangxx -DOP=n++ -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
2// RUN: %clangxx -DOP=++n -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
3// RUN: %clangxx -DOP=m-- -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
4// RUN: %clangxx -DOP=--m -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
5
6#include <stdint.h>
7
8int main() {
9  int n = 0x7ffffffd;
10  n++;
11  n++;
12  int m = -n - 1;
13  // CHECK: incdec-overflow.cpp:15:3: runtime error: signed integer overflow: [[MINUS:-?]]214748364
14  // CHECK: + [[MINUS]]1 cannot be represented in type 'int'
15  OP;
16}
17