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author | andrew <andrew@FreeBSD.org> | 2013-01-18 20:06:45 +0000 |
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committer | andrew <andrew@FreeBSD.org> | 2013-01-18 20:06:45 +0000 |
commit | 254a83b703ce3576b1aea35fdd5308aaf1d05f4b (patch) | |
tree | b946f82269be87d83f086167c762c362e734c5bb /lib/ubsan/lit_tests/Integer/incdec-overflow.cpp | |
parent | cfeab007a554034f0b3ab4a677cf9dd2696c12f9 (diff) | |
download | FreeBSD-src-254a83b703ce3576b1aea35fdd5308aaf1d05f4b.zip FreeBSD-src-254a83b703ce3576b1aea35fdd5308aaf1d05f4b.tar.gz |
Import compiler-rt r172839.
Diffstat (limited to 'lib/ubsan/lit_tests/Integer/incdec-overflow.cpp')
-rw-r--r-- | lib/ubsan/lit_tests/Integer/incdec-overflow.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/ubsan/lit_tests/Integer/incdec-overflow.cpp b/lib/ubsan/lit_tests/Integer/incdec-overflow.cpp new file mode 100644 index 0000000..48b68b6 --- /dev/null +++ b/lib/ubsan/lit_tests/Integer/incdec-overflow.cpp @@ -0,0 +1,16 @@ +// RUN: %clang -DOP=n++ -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s +// RUN: %clang -DOP=++n -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s +// RUN: %clang -DOP=m-- -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s +// RUN: %clang -DOP=--m -fsanitize=signed-integer-overflow %s -o %t && %t 2>&1 | FileCheck %s + +#include <stdint.h> + +int main() { + int n = 0x7ffffffd; + n++; + n++; + int m = -n - 1; + // CHECK: incdec-overflow.cpp:15:3: runtime error: signed integer overflow: [[MINUS:-?]]214748364 + // CHECK: + [[MINUS]]1 cannot be represented in type 'int' + OP; +} |