diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2015-01-07 19:55:37 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-01-07 19:55:37 +0000 |
| commit | ca9211ecdede9bdedb812b2243a4abdb8dacd1b9 (patch) | |
| tree | 9b19e801150082c33e9152275829a6ce90614b55 /test/ubsan/TestCases/Integer/uincdec-overflow.cpp | |
| parent | 8ef50bf3d1c287b5013c3168de77a462dfce3495 (diff) | |
Diffstat (limited to 'test/ubsan/TestCases/Integer/uincdec-overflow.cpp')
| -rw-r--r-- | test/ubsan/TestCases/Integer/uincdec-overflow.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/ubsan/TestCases/Integer/uincdec-overflow.cpp b/test/ubsan/TestCases/Integer/uincdec-overflow.cpp new file mode 100644 index 0000000000000..a236d21fcf1ff --- /dev/null +++ b/test/ubsan/TestCases/Integer/uincdec-overflow.cpp @@ -0,0 +1,16 @@ +// RUN: %clangxx -DOP=n++ -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck --check-prefix=CHECK-INC %s +// RUN: %clangxx -DOP=++n -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck --check-prefix=CHECK-INC %s +// RUN: %clangxx -DOP=m-- -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck --check-prefix=CHECK-DEC %s +// RUN: %clangxx -DOP=--m -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck --check-prefix=CHECK-DEC %s + +#include <stdint.h> + +int main() { + unsigned n = 0xfffffffd; + n++; + n++; + unsigned m = 0; + // CHECK-INC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 4294967295 + 1 cannot be represented in type 'unsigned int' + // CHECK-DEC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int' + OP; +} |