1 // RUN: %clangxx -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
2 // RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=all -fsanitize-recover=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
3 // RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=unsigned-integer-overflow %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=ABORT
4
5 #include <stdint.h>
6
main()7 int main() {
8 // These promote to 'int'.
9 (void)(uint8_t(0xff) + uint8_t(0xff));
10 (void)(uint16_t(0xf0fff) + uint16_t(0x0fff));
11 // RECOVER-NOT: runtime error
12 // ABORT-NOT: runtime error
13
14 uint32_t k = 0x87654321;
15 k += 0xedcba987;
16 // RECOVER: no-recover.cpp:[[@LINE-1]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int'
17 // ABORT: no-recover.cpp:[[@LINE-2]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int'
18
19 (void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull));
20 // RECOVER: 10000000000000000000 + 9000000000000000000 cannot be represented in type 'unsigned {{long( long)?}}'
21 // ABORT-NOT: runtime error
22 }
23