// RUN: %clangxx -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s #include int main() { // These promote to 'int'. (void)(int8_t(-2) * int8_t(0x7f)); (void)(int16_t(0x7fff) * int16_t(0x7fff)); (void)(uint16_t(0xffff) * int16_t(0x7fff)); (void)(uint16_t(0xffff) * uint16_t(0x8000)); // CHECK: mul-overflow.cpp:13:27: runtime error: signed integer overflow: 65535 * 32769 cannot be represented in type 'int' (void)(uint16_t(0xffff) * uint16_t(0x8001)); }