no-recover.cpp revision 86277eb844c4983c81de62d7c050e92fe7155788 
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
7int 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