diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-mul-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-mul-2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-mul-2.c b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-mul-2.c new file mode 100644 index 000000000..ece25a354 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/overflow-mul-2.c @@ -0,0 +1,26 @@ +/* { dg-do run } */ +/* { dg-options "-fsanitize=signed-integer-overflow -Wno-unused-variable" } */ + +#define INT_MAX __INT_MAX__ +#define LONG_MAX __LONG_MAX__ + +int +main (void) +{ + volatile int j = INT_MAX; + volatile int i = 2; + volatile int k = j * i; + k = i * j; + + volatile long int m = LONG_MAX; + volatile long int n = 2; + volatile long int o = m * n; + o = n * m; + + return 0; +} + +/* { dg-output "signed integer overflow: 2147483647 \\* 2 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 2 \\* 2147483647 cannot be represented in type 'int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: \[^\n\r]* \\* 2 cannot be represented in type 'long int'(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*signed integer overflow: 2 \\* \[^\n\r]* cannot be represented in type 'long int'" } */ |