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 8 int 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