1*b8aae540SGreg Fitzgerald // RUN: %clangxx -fsanitize=signed-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s 2ba869e79SAlexey Samsonov 3ba869e79SAlexey Samsonov #include <stdint.h> 4ba869e79SAlexey Samsonov main()5ba869e79SAlexey Samsonovint main() { 6ba869e79SAlexey Samsonov // These promote to 'int'. 7ba869e79SAlexey Samsonov (void)(int8_t(-2) * int8_t(0x7f)); 8ba869e79SAlexey Samsonov (void)(int16_t(0x7fff) * int16_t(0x7fff)); 9ba869e79SAlexey Samsonov (void)(uint16_t(0xffff) * int16_t(0x7fff)); 10ba869e79SAlexey Samsonov (void)(uint16_t(0xffff) * uint16_t(0x8000)); 11ba869e79SAlexey Samsonov 12ba869e79SAlexey Samsonov // CHECK: mul-overflow.cpp:13:27: runtime error: signed integer overflow: 65535 * 32769 cannot be represented in type 'int' 13ba869e79SAlexey Samsonov (void)(uint16_t(0xffff) * uint16_t(0x8001)); 14ba869e79SAlexey Samsonov } 15