1 // RUN: %clangxx -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s 2 3 #include <stdint.h> 4 5 int main() { 6 // These promote to 'int'. 7 (void)(int8_t(-2) * int8_t(0x7f)); 8 (void)(int16_t(0x7fff) * int16_t(0x7fff)); 9 (void)(uint16_t(0xffff) * int16_t(0x7fff)); 10 (void)(uint16_t(0xffff) * uint16_t(0x8000)); 11 12 // CHECK: mul-overflow.cpp:13:27: runtime error: signed integer overflow: 65535 * 32769 cannot be represented in type 'int' 13 (void)(uint16_t(0xffff) * uint16_t(0x8001)); 14 } 15
